PubHawk
October 2020 PMID 32986441

Testing of Commercial Masks and Respirators and Cotton Mask Insert Materials using SARS-CoV-2 Virion-Sized Particulates: Comparison of Ideal Aerosol Filtration Efficiency versus Fitted Filtration Efficiency.

W Cary Hill, Matthew S Hull, Robert I MacCuspie

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Mentions

17
Peak: 3 in Dec 2020
across 4 sources since Dec 2020

Extended reach

21,464
potential audience

Total likes

3

Video views

44

Mentions per month

Dec 2020 – Apr 2023

Where it's discussed

  • X / Twitter7 posts
  • News6 articles
  • YouTube2 videos
  • Blogs2 articles

AI synopsis

What people are saying

The overall tone shows skepticism and dismissiveness, evidenced by phrases like 'supposedly support you but come nowhere close' and labeling the study as 'faked or bad,' which indicates disagreement and mistrust. Additionally, some users briefly engage with the topic, referencing their own reading or other studies, but there is little indication of a broader impact on understanding or policy.

AgreementLow agreement

Most comments express skepticism or outright dismissal of the study, indicating disagreement with its findings or methodology.

InterestModerate interest

While some users show interest in the subject, much of the discussion centers around dismissing or questioning the research, reflecting moderate interest.

EngagementModerate engagement

Several discussions involve personal opinions and references to other sources or studies, showing some active engagement.

ImpactNeutral impact

The overall discussion does not seem to significantly influence public behavior or policy considerations, hence a neutral impact score.

Abstract in brief

  • The study examines how well different materials, including commercial masks, respirators, and homemade cotton mask inserts, filter out SARS-CoV-2-sized particles, highlighting that the actual protection depends on both the material's filtration ability and how well the mask fits.
  • It found that even high-quality filter materials can lose over 60% of their filtration efficiency when masks don't fit tightly, due to factors like permeability and pliability, which affect how well the mask blocks tiny particles.
  • The researchers developed a testing method using silica nanoaerosols that mimic the virus-sized particles to measure how effectively masks filter these ultrafine particles, especially considering potential leaks caused by imperfect fit.
Read the full abstract

Top posts

Most liked on X and Bluesky
Stephanie Ⓥ
@SVcrazycatlady · X

@DancesWithVegan @TheAtlantean9 @dirtbagleft1 I think this is the study I read https://t.co/F1MdHdzRUW

Mar 12, 2023 · 1 like · 18,435 followers View post →
John
@udarnik · X

@aintist @lyzl No, filtration efficiency to protect the wearer on a double-layer cotton mask or surgical mask is 50-60%. On an ill-fitting N95 (and almost ALL y'all who haven't been trained have ill-fitting masks), it's about 40%. https://t.co/e4dryOUU42

May 20, 2021 · 1 like · 1,756 followers View post →
Fiore DiNotte
@FiorediNotte33 · X

@wadepearson @VitalVegas There have been many studies of the levels of protection offered by masks of different types by people who know what they are doing. This is one. https://t.co/qsN5zOiAjM

May 16, 2021 · 541 followers View post →
Papy
@geekpapy · X

@Pangolin_de_MRS @MenezUhel https://t.co/zVFBt5OdrO

Dec 29, 2021 · 459 followers View post →
Goemon5
@Goemon5 · X

For some reason this consumer announcement about masks never made it to Facebook. So, ignore the message at the end. If you watch this, I am already seeing you in the new year. Or did I mean the next New Year? This is confusing. https://t.co/jUCbTYpzcK

Jan 30, 2021 · 91 followers View post →
Goemon5
@Goemon5 · X

Still skeptical about #COVID19 restrictions, or you know a #COVIDIOT who needs some information and convincing to #MaskUp? Here is a little #vlog, packed with info and arguments about #facecoverings. https://t.co/jUCbTYpzcK

Dec 31, 2020 · 91 followers View post →

All mentions

Sciencematter18
@Science23156734 · X

@Raven9_v04 @ClassicMom80 @robkhenderson Here you go retard.. Studies that supposedly would support you but come nowhere close to that POS study that obviously was faked or bad.. https://t.co/OtS0dNGmKl https://t.co/qAU818J48G https://t.co/fAl0pnG3r5 All prove your "study" is wrong

Apr 16, 2023 · 48 followers View post →
Stephanie Ⓥ
@SVcrazycatlady · X

@DancesWithVegan @TheAtlantean9 @dirtbagleft1 I think this is the study I read https://t.co/F1MdHdzRUW

Mar 12, 2023 · 1 like · 18,435 followers View post →
Papy
@geekpapy · X

@Pangolin_de_MRS @MenezUhel https://t.co/zVFBt5OdrO

Dec 29, 2021 · 459 followers View post →
John
@udarnik · X

@aintist @lyzl No, filtration efficiency to protect the wearer on a double-layer cotton mask or surgical mask is 50-60%. On an ill-fitting N95 (and almost ALL y'all who haven't been trained have ill-fitting masks), it's about 40%. https://t.co/e4dryOUU42

May 20, 2021 · 1 like · 1,756 followers View post →
Fiore DiNotte
@FiorediNotte33 · X

@wadepearson @VitalVegas There have been many studies of the levels of protection offered by masks of different types by people who know what they are doing. This is one. https://t.co/qsN5zOiAjM

May 16, 2021 · 541 followers View post →
Goemon5
@Goemon5 · X

For some reason this consumer announcement about masks never made it to Facebook. So, ignore the message at the end. If you watch this, I am already seeing you in the new year. Or did I mean the next New Year? This is confusing. https://t.co/jUCbTYpzcK

Jan 30, 2021 · 91 followers View post →
Goemon5
@Goemon5 · X

Still skeptical about #COVID19 restrictions, or you know a #COVIDIOT who needs some information and convincing to #MaskUp? Here is a little #vlog, packed with info and arguments about #facecoverings. https://t.co/jUCbTYpzcK

Dec 31, 2020 · 91 followers View post →