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Nature Medicine|July 10, 2021
mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in QatarHiam Chemaitelly, Hadi M Yassine, Fatiha M Benslimane, et al.
The New England Journal of Medicine|June 15, 2022
Effects of Previous Infection and Vaccination on Symptomatic Omicron InfectionsHeba N Altarawneh, Hiam Chemaitelly, Houssein H Ayoub, et al.
Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America|October 17, 2021
Severity, Criticality, and Fatality of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Beta VariantLaith J Abu-Raddad, Hiam Chemaitelly, Houssein H Ayoub, et al.
The New England Journal of Medicine|March 9, 2022
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in QatarLaith J Abu-Raddad, Hiam Chemaitelly, Houssein H Ayoub, et al.
BMJ Public Health|February 28, 2025
Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in QatarHiam Chemaitelly, Houssein H Ayoub, Jeremy Samuel Faust, et al.
The New England Journal of Medicine|November 2, 2022
Covid-19 Vaccine Protection among Children and Adolescents in QatarHiam Chemaitelly, Sawsan AlMukdad, Houssein H Ayoub, et al.
CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne|January 7, 2004
Interpretation of diagnostic laboratory tests for severe acute respiratory syndrome: the Toronto experiencePatrick Tang, Marie Louie, Susan E Richardson, et al.
American Journal of Epidemiology|December 7, 2023
Estimating protection afforded by prior infection in preventing reinfection: applying the test-negative study designHoussein H Ayoub, Milan Tomy, Hiam Chemaitelly, et al.
Nature Medicine|November 3, 2021
BNT162b2 and mRNA-1273 COVID-19 vaccine effectiveness against the SARS-CoV-2 Delta variant in QatarPatrick Tang, Mohammad R Hasan, Hiam Chemaitelly, et al.
The Lancet. Infectious Diseases|March 13, 2023
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort studyHiam Chemaitelly, Houssein H Ayoub, Patrick Tang, et al.
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