Publications by authors named "Todd D Swarthout"

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Rationale and design of the Pneumococcal Pneumonia Epidemiology, Urine Serotyping and Mental Outcomes (PNEUMO) study Europe.
Cristina Prat-Aymerich, Lisa Hessels, Dian Karssen, Kelly D Johnson, Sebastiaan Hullegie, Todd D Swarthout

ERJ Open Res· November 2025

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Long-term effects of azithromycin mass administration to reduce childhood mortality on Streptococcus pneumoniae antimicrobial resistance: a population-based, cross-sectional, follow-up carriage survey.
Akuzike Kalizang'oma, Jia Mun Chan, Khumbo Kalua, Farouck Bonomali, Comfort Brown, Todd D Swarthout

Lancet Infect Dis· October 2025

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Within-host genetic diversity of pneumococcal serotype 3 during one-year prolonged carriage in a healthy adult.
Lusako L Sibale, Stephanie W Lo, Newton Kalata, Tinashe K Nyazika, Ndaona Mitole, Todd D Swarthout

Nat Commun· October 2025

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Urine bioassay optimisation to assess the association between antimicrobial exposure, pneumococcal carriage and antimicrobial resistance among hospitalised children in Malawi.
Susann Skovbjerg, Comfort Brown, Andrew A Mataya, Jacquline Msefula, Farouck Bonomali, Todd D Swarthout

BMC Infect Dis· October 2025

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High Propensity for Multidrug-Resistant Pneumococcal Shedding Among Adults Living With HIV on Stable Antiretroviral Therapy in Malawi.
Lusako L Sibale, Newton Kalata, Ndaona Mitole, Tinashe K Nyazika, Joseph A Phiri, Todd D Swarthout

Open Forum Infect Dis· August 2025

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Correction to: Radiographically confirmed pneumonia in Malawian children and associated Pneumococcal carriage after introduction of the 13-valent Pneumococcal conjugate vaccine.
Grace Mzumara, James Chirombo, Todd D Swarthout, Naor Bar-Zeev, Philliness Prisca Harawa

Pneumonia (Nathan)· March 2025

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Evaluating methods for identifying and quantifying co-colonization using next-generation sequencing data.
Jada Hackman, Martin L Hibberd, Todd D Swarthout, Jason Hinds, James Ashall

Microbiol Spectr· November 2024

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Radiographically confirmed pneumonia in Malawian children and associated pneumococcal carriage after introduction of the 13-valent pneumococcal conjugate vaccine.
Grace Mzumara, James Chirombo, Todd D Swarthout, Naor Bar-Zeev, Philliness Prisca Harawa

Pneumonia (Nathan)· October 2024

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Clonal Expansion of a Streptococcus pneumoniae Serotype 3 Capsule Variant Sequence Type 700 With Enhanced Vaccine Escape Potential After 13-Valent Pneumococcal Conjugate Vaccine Introduction.
Akuzike Kalizang'oma, Todd D Swarthout, Thandie S Mwalukomo, Arox Kamng'ona, Comfort Brown

J Infect Dis· July 2024

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Expansion of pneumococcal serotype 23F and 14 lineages with genotypic changes in capsule polysaccharide locus and virulence gene profiles post introduction of pneumococcal conjugate vaccine in Blantyre, Malawi.
Rory Cave, Akuzike Kalizang'oma, Chrispin Chaguza, Thandie S Mwalukomo, Arox Kamng'ona, Todd D Swarthout

Microb Genom· June 2024

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The metabolic, virulence and antimicrobial resistance profiles of colonising Streptococcus pneumoniae shift after PCV13 introduction in urban Malawi.
Uri Obolski, Todd D Swarthout, Akuzike Kalizang'oma, Thandie S Mwalukomo, Jia Mun Chan

Nat Commun· November 2023

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Cross-sectional health centre and community-based evaluation of the impact of pneumococcal and malaria vaccination on antibiotic prescription and usage, febrile illness and antimicrobial resistance in young children in Malawi: the IVAR study protocol.
David Singleton, Ana Ibarz-Pavon, Todd D Swarthout, Farouck Bonomali, Jennifer Cornick

BMJ Open· May 2023

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Different clinical features in Malawian outpatients presenting with COVID-19 prior to and during Omicron variant dominance: A prospective observational study.
Marah G Chibwana, Herbert W Thole, Cat Anscombe, Philip M Ashton, Edward Green, Todd D Swarthout

PLOS Glob Public Health· March 2023

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Omicron B.1.1.529 variant infections associated with severe disease are uncommon in a COVID-19 under-vaccinated, high SARS-CoV-2 seroprevalence population in Malawi.
Upendo L Mseka, Jonathan Mandolo, Kenneth Nyoni, Oscar Divala, Dzinkambani Kambalame, Todd D Swarthout

EClinicalMedicine· February 2023

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Optimal age targeting for pneumococcal vaccination in older adults; a modelling study.
Deus Thindwa, Samuel Clifford, Jackie Kleynhans, Anne von Gottberg, Sibongile Walaza, Todd D Swarthout

Nat Commun· February 2023

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Invasiveness potential of pneumococcal serotypes in children after introduction of PCV13 in Blantyre, Malawi.
Amir Kirolos, Todd D Swarthout, Andrew A Mataya, Farouck Bonomali, Comfort Brown

BMC Infect Dis· January 2023

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Waning of antibody levels induced by a 13-valent pneumococcal conjugate vaccine, using a 3 + 0 schedule, within the first year of life among children younger than 5 years in Blantyre, Malawi: an observational, population-level, serosurveillance study.
Todd D Swarthout, Marc Y R Henrion, Deus Thindwa, James E Meiring, Maurice Mbewe

Lancet Infect Dis· December 2022

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Risk factors for pneumococcal carriage in adults living with HIV on antiretroviral therapy in the infant pneumococcal vaccine era in Malawi.
Deus Thindwa, Thandie S Mwalukomo, Jacquline Msefula, Kondwani C Jambo, Comfort Brown, Todd D Swarthout

AIDS· November 2022

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Quality of antibody responses by adults and young children to 13-valent pneumococcal conjugate vaccination and Streptococcus pneumoniae colonisation.
Asia-Sophia Wolf, Elena Mitsi, Scott Jones, Simon P Jochems, Lucy Roalfe, Todd D Swarthout

Vaccine· November 2022

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Hepatitis B Vaccination Impact and the Unmet Need for Antiviral Treatment in Blantyre, Malawi.
Alexander J Stockdale, James E Meiring, Isaac T Shawa, Deus Thindwa, Niza M Silungwe, Todd D Swarthout

J Infect Dis· September 2022

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Changing Incidence of Invasive Pneumococcal Disease in Infants Less Than 90 Days of Age Before and After Introduction of the 13-Valent Pneumococcal Conjugate Vaccine in Blantyre, Malawi: A 14-Year Hospital Based Surveillance Study.
Marianne Koenraads, Todd D Swarthout, Naor Bar-Zeev, Comfort Brown, Jacquline Msefula

Pediatr Infect Dis J· September 2022

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Association between household air pollution and nasopharyngeal pneumococcal carriage in Malawian infants (MSCAPE): a nested, prospective, observational study.
Mukesh K Dherani, Daniel Pope, Terence Tafatatha, Ellen Heinsbroek, Ryan Chartier, Todd D Swarthout

Lancet Glob Health· February 2022

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Erratum for Betts et al., "Complete Genome Sequence of Streptococcus pneumoniae Strain BVJ1JL, a Serotype 1 Carriage Isolate from Malawi".
Modupeh Betts, Seth Jarvis, Aaron Jeffries, Andrea Gori, Chrispin Chaguza, Todd D Swarthout

Microbiol Resour Announc· October 2021

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Complete Genome Sequence of Streptococcus pneumoniae Strain BVJ1JL, a Serotype 1 Carriage Isolate from Malawi.
Modupeh Betts, Seth Jarvis, Aaron Jeffries, Andrea Gori, Chrispin Chaguza, Todd D Swarthout

Microbiol Resour Announc· September 2021

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Impact and effectiveness of 13-valent pneumococcal conjugate vaccine on population incidence of vaccine and non-vaccine serotype invasive pneumococcal disease in Blantyre, Malawi, 2006-18: prospective observational time-series and case-control studies.
Naor Bar-Zeev, Todd D Swarthout, Dean B Everett, Maaike Alaerts, Jacquline Msefula

Lancet Glob Health· July 2021

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