First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “experts”. https://t.co/ANy5bWyhhI; https://t.co/XqlwDQtRrW; https://t.co/Gu8dyfdtTl
Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial.
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Apr 2020 – Nov 2025Where it's discussed
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What people are saying
The overall tone suggests skepticism about the effectiveness of masks and hand hygiene in preventing influenza, supported by references to multiple studies such as Cowling 2009, which many posts cite to argue that the benefits are statistically insignificant or nonexistent. Words like 'no benefit,' 'disingenuous,' and phrases like 'most studies show' reveal a tone of doubt, while mentions of specific research examples demonstrate high interest but modest engagement, indicating that people are interested but not deeply debating the scientific details.
Most discussions highlight that scientific studies, including the cited trial, show little to no benefit of masks and hand hygiene in preventing influenza spread, leading to a slight disagreement with traditional beliefs.
Many posts demonstrate high interest, referencing multiple studies and expressing skepticism or curiosity about the research findings.
The engagement level appears moderate, with some users critically discussing methodologies and interpretations, but many posts are more about sharing opinions or citations rather than deep analysis.
The overall influence seems limited, as users mostly express skepticism or dismiss the efficacy claims, indicating the publication hasn't caused a significant shift in beliefs or practices.
Abstract in brief
- The study investigates the effectiveness of hand hygiene and facemasks in preventing household transmission of influenza among 407 patients with influenza-like symptoms in Hong Kong.
- The trial involved 259 households and compared three groups: control with lifestyle education, hand hygiene alone, and surgical facemasks combined with hand hygiene.
- Results showed that while hand hygiene appeared to reduce transmission rates, the differences weren't statistically significant, though quicker interventions post-symptom onset did lead to better outcomes, particularly with the use of facemasks.
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Most liked on X and Blueskyニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
@anderslindberg Det är helt enkelt inte sant. Hur mycket sars-cov-2 som faktiskt överförs via händer och hur mycket handtvätt hjälper är osäkert som allt annat. https://t.co/i3Gi9kvbLo https://t.co/xsEdgZNQnn https://t.co/GXJPhHI2hQ https://t.co/jSlUiwArcx
6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/wK5c064hUN
6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/wK5c064hUN
All mentions
Analyzing Seasonality and Transmission of Respiratory Viral Diseases
Respiratory viral diseases, including colds and influenza, show a seasonal pattern, peaking in winter. Environmental factors like temperature and humidity influence virus stability, transmission, and immune responses…
Effective Hand Washing Techniques Recommended by WHO
Hand washing has numerous health benefits, including reducing the spread of coronavirus and other infectious diseases. The World Health Organization recommends washing hands at least 8-10 times a day, especially during…
RT @hanakihideaki: インフルエンザの手指感染は都市伝説? Facemasks and Hand Hygiene to Prevent Influenza Transmission in Households: A Cluster Randomized Tria…
RT @hanakihideaki: インフルエンザの手指感染は都市伝説? Facemasks and Hand Hygiene to Prevent Influenza Transmission in Households: A Cluster Randomized Tria…
インフルエンザの手指感染は都市伝説? Facemasks and Hand Hygiene to Prevent Influenza Transmission in Households: A Cluster Randomized TrialFREE Publication: Annals of Internal Medicine.Volume 151, Number 7 https://t.co/1YewY7JekW
@MasterB58520860 @TequilayJack @raphaellimasp Mais um estudo do Cowling, acho que é aquele quinto na lista. "Hand hygiene and facemasks seemed to prevent household transmission of influenza virus when implemented within 36 hours of index patient symptom onset." https://t.co/OUrZVLX3QP
@zOjzQ8sS9mqZ5yQ そこから読み違えてんのか メタ解析論文とはお前が貼ったこれ https://t.co/VJDy21bo5E サブグループ解析とはメタ解析論文で引用9されてたこれのサブグループ解析部分 https://t.co/3KHl5K6cqL メタ解析論文内の結論がこれ。サブ解析の有意差があった結果から導かれた表記があるってことだ https://t.co/faNsp7Squp
@ZerdatheFennec @awkward78190 @Chickie31976 @rp_kearney "A number of studies have shown the inefficacy of the surgical mask in household settings to prevent transmission of the influenza virus" https://t.co/tUkdcvThW4
@BHudsonWrites @JoshWalkos @BillDoesStuff2 @Spartan1Tim @LatheGrain 2) https://t.co/Jt0sxlZqhd
@KasnyScience @Placeb0Mad Mira, uno de 2009. Hablando solo de la gripe. Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial. AU Cowling BJ, Chan KH, Fang VJ, Cheng CK, Fung RO, Wai W, Sin J, Seto WH, Yung R, Chu DW, Chiu BC, Lee PW, Chiu MC, Lee HC,
@PipiLocuaz @Monica_Garcia_G @sumar Esto le puede interesar https://t.co/pOQYklJFTj
@elgatomimo @00Bohr @Monica_Garcia_G Otro ejemplo. ¿Cual es la evidencia científica que apoya su punto de vista? https://t.co/pOQYklJFTj
@rafaposo @_Mecanico_3 @FelixLopez_Rey Los artículos científicos no parecen estar de acuerdo con usted https://t.co/pOQYklJFTj
@rafaposo @_Mecanico_3 @FelixLopez_Rey Otro https://t.co/pOQYklJFTj
@bippitygiggity @ivor_mectin @PeteUK7 Here's one. https://t.co/9AcbZQV8VK
@Yashn37 @LechapardeurS @nicolasberrod https://t.co/Bbox9bhQkP : Ce n’est pas une étude sur les masques, mais sur hygiène masque + mains… avec un conclusion, peu concluante « seems to »
@PaulM39588795 @LechapardeurS @nicolasberrod Je vous ai donné le lien direct vers les références utilisées dans votre article. Voilà un exemple d'études référencées contredisant les conclusion de l'article : - https://t.co/jpqq0kfJ5L - https://t.co/53M3LDTaJB https://t.co/zDySSMv6pR
@somegalgirl @maosbot https://t.co/TmNdqGaNLq Taiwan
@somegalgirl @maosbot https://t.co/TmNdqGaNLq
@PoliticPositive @EJR1138 @Sentient_Atoms @BenjaminPDixon For the record, I am not claiming that masks increase transmissions. This is just to show silly it is to use statistically non significant results in either direction. RCT https://t.co/a1fnXpKJLu Real World https://t.co/vTLf1Qzc4a
@TactNowInfo @DrEvaBernat @CorsIAQ Yes, when you combine masking with effective interventions, you can disguise their ineffectiveness, but a closer look (comparing results of ‘masks + HH’ to ‘HH only’) suggests that masks may actually reduce the beneficial effect of hand hygiene. https://t.co/uxXsloyrWo
@veganaiZe >>Please point me to them... I did a fair amount of searching and was only able to find the one.<< You could find only one?
[3] Wang, Y., et al. (2020). Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial. Annals of Internal Medicine, 173(10), 757-766. 21/25
@annwmac @Tim_Bousquet @MacdonerE A CDC randomized controlled trial showed, “No additional benefit was observed when facemask [use] was added to hand hygiene by comparison with hand hygiene alone.” https://t.co/2mTCXcZEmp
@Adam_Creighton at least, mask effectiveness is not demonstrated. masking comes with risk. We need to think what globalist want us to get through masking. vaccine information wasn't true. Information is weapon. https://t.co/TcbL9Fo89m
@jinpeiishii https://t.co/TcbL9FnAjO
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
RT @BrendanEich:
RT @BrendanEich:
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
RT @BrendanEich:
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
@VPrasadMDMPH Hi Dr Prasad, I share your concern about medical misinformation. On that note, when can we expect to see the correction for your recent misrepresentation of this study? https://t.co/rpL0DeP2PK https://t.co/Q1MIDqs5O1
@VPrasadMDMPH Hi Dr Prasad. Since you clearly value honesty and accountability in medical and public health reporting, when can we expect to see the correction for your recent glaring misrepresentation of this study? https://t.co/rpL0DeP2PK https://t.co/cvYlRuKgtO
Here's the study that showed surgical masks and N95s did not prevent viral infection. https://t.co/fcqGtM3Jb5 https://t.co/WHXsqVbTDe
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
https://t.co/TcbL9Fo89m Mask is effective? NOT DEMONSTRATED. Hand hygiene and use of facemasks are key elements of influenza pandemic preparedness plans, but their effects on preventing transmission of infection have not been demonstrated. https://t.co/wmyyAue6ky
@nytimes is now spreading fake information again regarding masking effectiveness because their resource (https://t.co/TcbL9FnAjO) show "the differences compared with the control group were not significant." Don't trust NY TIMES. https://t.co/XyT7g49fBJ
@nytimes is now spreading fake information again regarding masking effectiveness because their resource show "the differences compared with the control group were not significant." Don't trust NY TIMES. (https://t.co/TcbL9FnAjO) https://t.co/XyT7g49fBJ
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
@vdubs90 @VPrasadMDMPH @nytimes The RCT in question can be found here: https://t.co/DucAPrXd4U The results of the RCT don’t favor masks as Vinay pointed out. https://t.co/W64zvEvprw
RT @MakingC19Waves: ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
ニューヨークタイムズのマスクの感染予防効果の「強いエビデンス」はマスク着用者と非着用者がインフル感染に有意差無しRCTです
@MaudMaron You're amplifying a guy who is straight up lying. The linked study DID find masks to be effective: "Hand hygiene and facemasks seemed to prevent household transmission of influenza virus when implemented within 36 hours of index patient symptom onset." https://t.co/a2UR65gOMW
@biello_joseph @boulderfish https://t.co/Noi1pAyNrI
@MeiselZachary @VPrasadMDMPH @nytimes I think the Dr focused on the wrong thing and failed to address the key issue with this study in shoeing masking us effective. https://t.co/FPHWfSNpER https://t.co/8sYBeLaveK
@VPrasadMDMPH @MartinKulldorff @nytimes Link to the study, for anyone else who wants to check: https://t.co/rpL0DeP2PK
@glake7777 @VPrasadMDMPH @nytimes It's @ https://t.co/aHTWQaQAw9 I will absolve some blame from @nytimes in that the conclusion of the study is disingenuous But maybe they shouldn't be playing referring to studies they don't understand
@phytools_liam @VPrasadMDMPH Help your colleagues avoid a paywall by accessing the article from their libraries: https://t.co/8YQoMV4xrO Simply add https://t.co/SXSePSX5De to the DOI URL when sharing articles on Twitter and everywhere else!
#ScienceJournalism. Here's the actual study: https://t.co/RllSPO2pLg. Credit to @VPrasadMDMPH for bringing this to my attention.
@tangleroc @vlal42 https://t.co/7tqDqvxUw6 There are thousands of studies that show masks don't stop, prevent, or even slow airborne infections disease
@majken @DailyJLee @DOCDUBE @AlexMunter @CHEO the study did consider 7 RCTs of mask use in the community all of which found no significant effect of mask use alone. You can find the links for those RCTs in Table 1 of the meta-analysis linked above. I would also suggest this RCT (https://t.co/uxXsloyrWo) as it shows why 2/3
@rational_matt @joeolivermd This study (https://t.co/uxXsloyrWo) shows why we need RCTs as other variables can confound the results - if you look closely at the results (tables 3 and 4) you see that adding masks (masks + hand hygiene) increased the risk of infection compared to hand hygiene alone. 3/3
@SteveT84323800 @GregBur41977843 @JeromeAdamsMD @JuliaHB1 This study (https://t.co/uxXsloyrWo) shows why we need RCTs as other variables can confound the results - if you look closely at the results (tables 3 and 4) you see that adding masks (masks + hand hygiene) increased the risk of infection compared to hand hygiene alone. 4/4
@LMMomTo2 @JohnWKowal1 @BrianB5000 @StefiChrisNYC @nationalpost - the masks showed negative efficacy! Here is the study (https://t.co/uxXsloyrWo) - please look at it and especially the tables that compare the results... It is not narcissism, it is frustration. 6/6
@ForYoursel @therealgloria @nytimes https://t.co/HytNFzpQXx https://t.co/TS2LpU9YPG https://t.co/wgHyYFoxjs
@JoeOhara93 @Nesta44383604 @TimRunsHisMouth https://t.co/jJ2RQ48wv2 https://t.co/4dvLqDp3St https://t.co/j9a1eNLzlN https://t.co/CJ3sHk3nSG https://t.co/uTKEqfORf3 https://t.co/9vMIVM7Xhq https://t.co/iUkkkRDt3x https://t.co/p0ybz8M6NX
@ShellyMBoulder The pdf link is broken, here is a working one (official web page, no download) Facemasks and Hand Hygiene to Prevent Influenza Transmission in Households : A Cluster Randomized Trial https://t.co/hfCMY68evx
@Juniber10 @LaraASchroeder @solids3000o8 @NobodyQueens @MetisLForsythe @uwinnipeg @umanitoba My fault. I just assumed you had to be a girl by the way you were acting. Please thrill us with your analysis: https://t.co/UHlcMLD2vh https://t.co/qNH1zKpNrM https://t.co/l6SnTN9O4J https://t.co/a1fnXpKJLu https://t.co/Vltr5cb1Bs
RT @JohnHowardRoar1: @DrJBhattacharya They do a good job of ignoring their own research. Here's a study by Benjamin Cowling, funded by the…
RT @JohnHowardRoar1: @DrJBhattacharya They do a good job of ignoring their own research. Here's a study by Benjamin Cowling, funded by the…
@DrJBhattacharya They do a good job of ignoring their own research. Here's a study by Benjamin Cowling, funded by the CDC, that found no benefit from masks in preventing influenza. https://t.co/Jt0sxlHh35
@sri_srikrishna @AbraarKaran @RanuDhillon https://t.co/hvVZpq6oYW to be diagnosed with the illness if they properly combined mask use with hand washing. In a 2012 study https://t.co/hvVZpq6oYW, University of Michigan researchers determined that students who wore masks in residence halls and practiced good ... (2/3)
@SloopyTexas @DrillMeaton @CMH_2019 @district12kitty @DrLeanaWen @mclemoremr @Bob_Wachter @DrPaulOffit Yea, and some of those are cited there. Both cited as yes they work if done in a short amount of time after exposure. https://t.co/6Jvp6BcjAJ https://t.co/bYUfDAYE0Q
@aussagekraft @aginnt https://t.co/Jt0sxlHh35
@aussagekraft @aginnt https://t.co/hy3c91wsFg https://t.co/Jt0sxlHh35
@DrLeanaWen Randomized controlled trials consistently fail to show a benefit from masks. Here's one of them, funded by the CDC: https://t.co/Jt0sxlHh35
@CarpathianMts @jbusher @ostrachan https://t.co/prrh9PCbBk
@moderconserv79 @reddyred7712 @GovKathyHochul If you say so: https://t.co/RbqkCAkA5w
@FormulaOof @RobAstorino https://t.co/H33C3yoMHT
@jaybyrdbird @vivalaliberta2 @JoshShapiroPA Article 1: https://t.co/uLCg6vknz2
@FGarridoB @Akustronique Este? https://t.co/C2Mw10fdPO
@3iQDXqGxaLzMTlL @QuickToshi @74el4Un5zLDWevf おまえこれのメタ解析に使われたランダム化比較試験がどれかわかってんの?ww おれが出したやつじゃねえかww 手指衛生だけの群とマスク追加でつけても有意差なかったやつじゃねえかwww引用論文くらいなにがあるか見てから出せよwwww https://t.co/CGbM9I2tQM
@Jimo0404 @74el4Un5zLDWevf @3iQDXqGxaLzMTlL これは50歳以下だと効果はなくて、75パーが着用した村は賞金がでて、しかも採血は症状あった人の4割だけしか実施してない かの有名なRCTですかww しかもこれひとつだけww マスクに差がないものはいっぱいあるねwwww https://t.co/eVIxipc4n7 https://t.co/CGbM9I2tQM https://t.co/eklw4J7wSI
@QuickToshi @74el4Un5zLDWevf @3iQDXqGxaLzMTlL はいはいwww 苦しいねwww もうそうあってほしいって希望にすがりついてるだけじゃんww まさかにサンクコスト効果www マスクつけても追加のメリットなしwww手洗いをしっかりしようねwww https://t.co/eklw4J7wSI
@74el4Un5zLDWevf @saburota_tamaki @3iQDXqGxaLzMTlL @t141421356m https://t.co/sKUCKqB1j4 https://t.co/CGbM9I2tQM https://t.co/eVIxipc4n7 たくさんRCTはあるんだwww おまえがメタ解析のRCTをいつまでも読んでないだけだろwww
@BoiTinnie @ellymelly No. There’s no high quality evidence that masks protect others. https://t.co/50nFtyNg5o https://t.co/7mDZyg6EAE https://t.co/tTPIPnhx83
@Schuchwun @MarkSlapinski @BigSpicy93 https://t.co/RitIXrzceF https://t.co/rg1u3mV3TS https://t.co/BNryIjkb8t https://t.co/h3n3uaVHWM https://t.co/nKSsFGPWWS https://t.co/CU8DDXkNeK
@contrarian4data @boutros555 @JHowardBrainMD @pudgenet @DACDAC4DAC The paper you discuss isn’t an RCT. It’s a fishing expedition in data from RCTs, with a cute post-hoc hypothesis on a probably nonexistent effect. https://t.co/w5S2I3KnY2 https://t.co/8Vcn8viyyk The RCTs themselves are interesting. https://t.co/5pOUFNa1aD https://t.co/3qlHLCd2pU
Empathy is when you tell a workingman what to do and he does it. Masks don't work. https://t.co/tpAOJbXFxF https://t.co/06HjfrQqnu https://t.co/sHAejT1O69 https://t.co/61bocK1qpx
@ale_22689 @jasonrantz #5. 2009 study found that washing hands and wearing mask beat control in one measure & that only washing hands with no mask beat the control group in 2 measures. No additional benefit was observed using a mask with hand washing verses only hand washing. https://t.co/QfZULqaobb
@apropoofnothing @Toronto99News @Christo92634012 2009...... I've been here already. https://t.co/tyJ9zLF8VN
@DBrassiere That thread contains absolutely no objection, only urged caution in waiting for more studies. But there's plenty of mask-effectiveness RCT evidence with other infections including other coronaviruses: https://t.co/QLctbBuMvC https://t.co/xSbwlmmA18 https://t.co/x6WCiyoW2S
@arneduncan Imagine commenting on face masks and not being familiar with the randomized controlled trials on face mask efficacy against influenza like illness. Apparently Arne Duncan is ignorant of "the science" regarding face masks. https://t.co/zqhDnpyqEX
2009 study by CDC says hand-washing beats MASKS for slowing spread of a disease. In fact, everything we are told about masks preventing spread is untrue. https://t.co/Yn6FwYEQLj
RT @PBlanrue: Une étude financée par les CDC en 2009 à Hong Kong par Cowling et al. entre des groupes "mains lavées "et "avec masque" a fai…
Une étude financée par les CDC en 2009 à Hong Kong par Cowling et al. entre des groupes "mains lavées "et "avec masque" a faire conclure à Canini : "aucun avantage supplémentaire n'a été observé lorsque le masque facial a été ajouté à l'hygiène des mains". https://t.co/XltC7IGiEQ
@Tony__Heller @SkepticalMutant @Lam37820433 @mcfunny @provaxtexan @jbcoots3 @AndrewLazarus4 @DomIsa6 @Bass4Life5 @FPLMISF @TonyBaduy @TakethatCt @BoastIra @WhoIsSabala @MrDarcy1815 @yeahnaa333 @GeoffSchuler @EstesPga @GenxlF @AGTCnews @Kathmarval @chickaboy @RHMcK1 @crabb_vicki @anthonycookppc @doritmi @_mamadeb @BrynRichards9 @SeriousSkeptic @joltdude @ChrisHaworth368 @covidcattle1 @swedishchf @WendyOrent @rf121rf @omotforest @plantmann_1 @CurfewX @MsTrixter @meritocracy_ftw @ScienceNFreedom @FormerAntivax @ZaBong69 @Michael63746953 @DK25769559 @BruceFo43322941 @RadioColor @BigBopp75348974 @MarioMoney23 Most of those studies looked at whether mask-wearing protected the wearer against influenza. Those that looked at protecting others found some effect, e.g. this one found a 67% reduction in flu transmission from infected wearing masks plus hand hygiene. https://t.co/zQnHX1xCBG
@zebra3V1 @richardursomd Yeah, no evidence of that either. https://t.co/7mDZyg6EAE … https://t.co/Yhraw4DRzo https://t.co/50nFtyNg5o …
2009 CDC Funded Study Re. Masks: “No additional benefit was observed when facemask [use] was added to hand hygiene by comparison with hand hygiene alone.” https://t.co/Bp3QwGAqTb
@RThinner @jimbrownisdead @JCOviedo6 Yes I can show you my own RCT which was consistent with an effect of face masks on influenza transmission (and also consistent with no effect...) https://t.co/KjVHdSrHvj I am someone who actually does scientific research on masks
@TheFeiler @ron_psimas @drsimonegold Cowling et al. 2009 https://t.co/cqUsiksqS1 https://t.co/lC9TvxFji8
@AnnastaciaMP So last time we addressed the effect of masks for the wearer. Lesson two will be the evidence for masks protecting others: https://t.co/7mDZyg6EAE … https://t.co/paGbMOXnjt https://t.co/50nFtyNg5o … Result: There is no good quality evidence which demonstrates this.
@ScottAdamsSays Mask MANDATES are ineffective against infectious respiratory disease. There are numerous peer reviewed studies documenting this. https://t.co/McCK5t4xtY https://t.co/WJY7lyL0aI https://t.co/sjQK5jgLJ1 https://t.co/wVzQSvKPvE
@FhjfFreym @RadiantHK @fangshimin 内科学年鉴《Annals of Internal Medicine》2009年的一篇研究文章得出的一个结论是,戴口罩+保持手的卫生与不戴口罩+保持手的卫生,针对预防流感病毒感染无显著差异 https://t.co/YeISGC0WqP
@simonkuo @The_OtherET https://t.co/6wZu8TeqPN
@The_OtherET https://t.co/6wZu8TeqPN
@ChrisNicholsNFI @AliceGlencross @SKMorefield @ijclausen I just took a random study and read it. Quote is above Here’s the link: https://t.co/psWZeo6Ykq. It’s not perfect because of the gap between realizing they’re sick, becoming part of the study, as well as sticking with the PPE wearing. Still there is a positive effect.
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
@andrewbostom @ianmSC @TracyBethHoeg @Melinda01212917 @Hold2LLC @CDCgov @MonicaGandhi9 @DrDanielJohnson @nytimes Here are the findings from Cowling (2009): https://t.co/wwiCS9VM58 https://t.co/mCG2dZ8wBf
@mowiltshire @quesogrande1970 @DKThomp https://t.co/Wn7qKGQQ4f
@Wikunis @AtheistPolish @FLOVEMAIS https://t.co/h0wKB75cdm https://t.co/9VYDcai47d https://t.co/kyLYg6Xy1a https://t.co/tivVhyIQmu https://t.co/MjfVaDSCqv https://t.co/1Ev3pQ08CW Nic?
@El_Sausage @kaarthiksanta @LifeAdventureN1 @KTaylor42069 @mnhealth Here’s three. https://t.co/VQtiwB1Mrv https://t.co/StQh4qSJxH https://t.co/ZPg6ON6Km2
@FalconNittany @imfatnstupid @ScottAdamsSays https://t.co/TvhwWSY4nq https://t.co/XdsfXWKe4s https://t.co/BndUKAdwKF
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
@KarnRulez @KC593 @yuriboler “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/qXQ3kw6SB2
@DaveC72359533 @ThatJMW @LBC From Cowling BJ (2009)... https://t.co/mYVJK5ZP4M https://t.co/pwQPHy3brx
@marsilcos @joaoantoniocjr @fabio_btx @mateusroth @marcelo_dsl @JulioCezarMD @lucianopotter https://t.co/045bh5zC5c "Hand hygiene and facemasks seemed to prevent household transmission of influenza virus when implemented within 36 hours ... These findings suggest that nonpharmaceutical interventions are important for mitigation of pandemic and interpandemic influenza.
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
@MVmrxlh @ianmSC Findings of a Randomized Trial of NPI's to Prevent Flu Trans. in Households (2009) "Although we found little effect of [masks/handwashing] our study was underpowered. Nevertheless, our point estimates are close to null, strongly suggesting true equipoise." https://t.co/NusWSF8z4t
@DrDavidMBerman @POTUS Next up: https://t.co/2eE696XcqX
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
@maskson247 @gov_fails @Bier_Automata @nytimes Here is a RCT from several years back that says that *shockingly* masks and washing your hands help. Gee. I wonder if that is why DOCTORS have done those things for so many decades while working with sick patients.
@ColleenHuberNMD @MaureenStroud @Lone_Star_Keto https://t.co/48bC7he2id https://t.co/j05gaWBBvN https://t.co/hOMAbbPG7M
@channel_echo @JamesSurowiecki Sure, here's a few: https://t.co/TK7iOGfrqd https://t.co/r47eXb3SnV https://t.co/9JfCAI1KTX
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/wK5c064hUN
@LajXtra @AtomsksSanakan @Loretta_Torrago @Idontma48200911 @VPrasadMDMPH @VPwnd_fan @ianmSC "Hand hygiene and facemasks seemed to prevent household transmission of influenza virus..These findings suggest that nonpharmaceutical interventions are important for mitigation of pandemic.." https://t.co/NO63r8D6kQ
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
@scotty_webb @ClintGunter2 @Healthmac https://t.co/wBwvKZ9bMn
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
RT @caroljsroth: First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “exper…
First, studies back to 2007 recommended mask wearing as protocol for similar respiratory viruses. This was known by “experts”. https://t.co/ANy5bWyhhI; https://t.co/XqlwDQtRrW; https://t.co/Gu8dyfdtTl
Study: Cowling 2009 Who wore masks: All persons (index + contacts) Fm + HH, ILI: OR=1.25 (0.79-1.98) n=149 Fm + HH, Lab: OR=0.77 (0.38-1.55) n=149 HH Only, ILI: OR=0.92 (0.56-1.48) n=130 HH Only, Lab: OR=0.57 (0.26-1.22) n=130 Control: n=183 https://t.co/EFOwDd09nc
@Johnny_2_the_G @Holbornlolz Opinion isn't necessarily correct, but sure just disregard actual citations of scientific studies and don't provide any of your own. Here is a very limited study conducted prior to COVID-19 indicating facemasks (+hand washing) help limit influenza spread. https://t.co/cshKxwud2z
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
@dajsel @akutdoktorn Här en cluster randomized, controlled trial mot PCR-verifierad influensa A/B: https://t.co/y9tiZYhKj5 "transmission of RT-PCR-confirmed infection seemed reduced ... attributable to fewer infections among participants using facemasks plus hand hygiene ... odds ratio, 0.33 "
@anderslindberg Det är helt enkelt inte sant. Hur mycket sars-cov-2 som faktiskt överförs via händer och hur mycket handtvätt hjälper är osäkert som allt annat. https://t.co/i3Gi9kvbLo https://t.co/xsEdgZNQnn https://t.co/GXJPhHI2hQ https://t.co/jSlUiwArcx
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
@cardlaw35 @ianmSC https://t.co/5Nm6hQ33m3 https://t.co/OxZZk4qJyO https://t.co/sC9VNZtPAc https://t.co/MTJsiJalqG Find more links on: https://t.co/u1JRFUaJl4
RT @stevelanebitch: 6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza tr…
6/x Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/wK5c064hUN
@asafpeer יש רבים, רק לא על הקורונה מסיבות אתיות ואחרות. הנה אחד על צמצום הדבקה ביתית בשפעת באמצעות מסיכות והיגיינה. https://t.co/p6bYSGKYTA
@GnirtSs @Carrenimfa @henrik_ullum @HaraldofW You're right, its foolish that doctors have worn masks for over 100 years now. I'm sure any day now, we're going to hear about how they're so sick from wearing a mask all day. https://t.co/1TYeqLvuNy https://t.co/GgfYD50n6V Research is out there, proper masks+good hygiene = good
@gummibear737 @GovLauraKelly Studies like https://t.co/MrMpGLnIKp
@DrEmmaFrans Det finns många bra studier som förlitar sig på mer än bara korrelation, här är ett axplock RCT-studier: https://t.co/FNFjo8lxPz https://t.co/Bx7YWYZ84D https://t.co/d9iZnzIQkK https://t.co/3YTo3ZrMgP
@PardusDr https://t.co/bvKhPMkMQM
@NyxEleftheria @manufacturedba @newyorkjoe75 @synthyis @JennaEllisEsq https://t.co/lXrh9YKQU3
#WearAMask is you must, but they don't work Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial https://t.co/uxv5rwX0g4
@DrZweliMkhize Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial https://t.co/uxv5rwX0g4
@briandavidearp E.g. https://t.co/4DyKAVgmcg https://t.co/JvPTnrvaBK https://t.co/j0WRLIBWrF https://t.co/iTPMK81C3g https://t.co/e3clTcUfCj https://t.co/RlA6ud0PAt https://t.co/rzlxXno2uW 3/
@VaeVix @mimiryudo @LehmannDrC @SibethNdiaye https://t.co/XACv2Mo9cp "Hand hygiene and facemasks seemed to prevent household transmission of influenza virus "
@moy_qmac @AnimalMX @Pajaropolitico Mira te paso un estudio de la efectividad de las mascarillas con familiares de pacientes enfermos de influenza, y como se contagiaron los miembros de la familia, y que no casi diferencia entre los que no usaron proterccion. https://t.co/LvOWU0R7xB
https://t.co/UOs5fJ8kYR
@jane_dough2020 @globalnews https://t.co/wBwvKZ9bMn
@mbc48 @Tfreema94181255 @stephenslayter @DrTomFrieden @realDonaldTrump Cowling 2009 (RCT, N=1201, Household Setting) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/gKIuxFyw7z
@moneyallgood @Linda36758099 @robottopub https://t.co/EHglWNH4lY
@BlochRaffael @Rapatauxx @DaFeid @125OHD @MikkCH @FrankfurtZack @theotherphilipp Cowling et al., 2009 “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/mkLlM5qZV9
@3Komma141592 @tweaxDE Cowling et al., 2009 (RCT, N=1201) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/mkLlM5qZV9
@TheSkender @Ce_mal29515268 @MailiIhl Cowling et al., 2009 (RCT, N=1201) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/mkLlM5qZV9
@Ufer78756356 @M_U_Pohl @GerdK10 @ZuckerZucker3 @ReneRoessig @SHomburg Cowling et al., 2009 (RCT, N=1201) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/mkLlM5qZV9
@adamaltmejd @ErikAngner Finns en del intressanta RCTs. Vissa buntar ihop handtvätt dock, och de som inte gör de har svårt med power eller låg använding. Överlag rekommenderar masker. https://t.co/FNFjo8lxPz https://t.co/Bx7YWYZ84D https://t.co/d9iZnzIQkK https://t.co/t0KKvuY7Sy https://t.co/AcnfPMdINc
@360_bot @FlorianTopf @cellarmusica @arancheles @Santos Cowling et al., 2009 (RCT, N=1201) “Hand hygiene with or without facemasks seemed to reduce influenza transmission, but the differences compared with the control group were not significant.” https://t.co/mkLlM5qZV9
@OstlundOllie @RobinFondberg @thhmas Det finns några sådana studier där man studerar source control alt. situation där alla (inkl sjuka) har mask. MacIntyre et al. (2016) https://t.co/KnZu4b49r8 Aiello et al. (2016) https://t.co/OkshZD6uih Cowling et al. (2009) https://t.co/aHzx4MXk5x
@al_lirasama @SinEmbargoMX https://t.co/UOs5fJ8kYR
@frequency4201 @DOUBLEDBIELBY04 @BigSmokeHD @KidCudi @_Littleman97_ https://t.co/vM02llO0gP ; https://t.co/dqWcXLsCcM ; https://t.co/qQaQCsfC41 ; https://t.co/COfd5q9m6I ; https://t.co/ylu0rhjNLM ; https://t.co/dqWcXLsCcM ; https://t.co/6FhhavkkNU; https://t.co/9PB3Uvq5gU
@andrewlilley_au @MaMoMVPY The challenge is the poor quality of the evidence. That’s why I tend to look more at those RCTs and well powered studies in the area, ie this one https://t.co/ExOANyJc6X
A study from 2009 in Hong Kong similar to the 2012 study which took place in Germany. https://t.co/yU5CpS5GFq
@MagWes @adamaltmejd @HannesMalmberg1 @jonasvlachos @motbilder @PaulTLevin @JacobGudiol @viskot @galinash @RG_GTH @AdelAHamdeh @GunnarBj @swede1001 De studier på andra virus som jag hittar rapporterar iaf ingen jättestor skillnad i evidens till fördel för ökad handhygien. 1) https://t.co/1QDS8FN1R1 2) https://t.co/a8S4nsmNfo 3) https://t.co/aHzx4NeUX5 4) https://t.co/fDjbMKak0D
@Epi_D_Nique @Rose_Marie_Holt @wagonomics @gregggonsalves @EnigmaMachine9 Here are a few studies that I have handy: https://t.co/ExOANyJc6X https://t.co/0hHwcqo0cE https://t.co/RX00iEzVYD
@EricInfoTech That’s the 6th citation. The seventh study the article you posted sited kookier at the effectiveness of reducing transmission of the flu in real work conditions with the use of surgical masks and hand sanitizer. https://t.co/PBjXCie697
@EricInfoTech https://t.co/PBjXCie697
@mikemahony @Jaxluck2020 @JordanSchachtel https://t.co/DWuGCgBcyF https://t.co/brfBtZaMhf https://t.co/1KTGK6kip4 https://t.co/qPNxmMbGVs and this one is for my, 'it's just the flu' people, https://t.co/hqKayFFHnN
@PBoogerwood @glimmertwintx @junior_miller @gordonkeith @GeorgeDunham @dfwticket Interesting. By the way, do you think you can find more cases of "published data" stating they're ineffective than I can find stating the opposite? I'll start with some oldies but goodies: 2009 - https://t.co/us6mdOXdY1 2003 - https://t.co/7GeCFbXgpg
@persson_disa @PelleiBacken 4) https://t.co/mr4Ig7chJd https://t.co/eLXdzVqvfC https://t.co/qKDwyETTeQ https://t.co/mxZfvVqWMF https://t.co/Lpx0BCumS8 https://t.co/n7VoduThNW https://t.co/HbDajHujtY https://t.co/lW5Z2EjlID
RT @JWaltersFemale: @alan_poirier Here's one, https://t.co/p3hvlCwA3N
@alan_poirier Here's one, https://t.co/p3hvlCwA3N
@AshDHarrington @MeanestBossEver Cumulative is not the same as additive but its the effect not the specifics that Ben is talking about. Refs: https://t.co/VG9t2rj1nF https://t.co/p3qrNsdeTz
@AlexBerenson Or this? "...transmission of RT-PCR–confirmed infection seemed reduced, an effect attributable to fewer infections among participants using facemasks plus hand hygiene." https://t.co/y7BRBrtfQx
@cmari48781789 @AmyLouAlvarado2 @TheFree_Lance @AlexBerenson "...transmission of RT-PCR–confirmed infection seemed reduced, an effect attributable to fewer infections among participants using facemasks plus hand hygiene." https://t.co/y7BRBrKRf7
@superceps https://t.co/Bu5osq8ILm https://t.co/cGgubfdmph https://t.co/o8gpd4NpHD https://t.co/MKt0t2BrHM https://t.co/2eVEP59oLt https://t.co/9uiPBerubN attenzione in particolare a questo punto di Lancet: https://t.co/51cbNTeZJb
「全員が #マスク 着用することによって、インフルエンザの #家庭内感染 低下の傾向が見られた」とする研究結果。 https://t.co/sQbqU0exoz https://t.co/mW1qXz4w11 https://t.co/APTQlhyloS
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