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Journal of Global Health|February 9, 2022
Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experienceRaghid Bsat, Hiam Chemaitelly, Peter Coyle, et al.
Influenza and Other Respiratory Viruses|November 29, 2023
SARS-CoV-2 infection and effects of age, sex, comorbidity, and vaccination among older individuals: A national cohort studyMai A Mahmoud, Houssein H Ayoub, Peter Coyle, et al.
Nature Communications|June 2, 2022
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in QatarHiam Chemaitelly, Houssein H Ayoub, Sawsan AlMukdad, et al.
The New England Journal of Medicine|October 6, 2021
Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in QatarHiam Chemaitelly, Patrick Tang, Mohammad R Hasan, et al.
Science Advances|October 4, 2023
History of primary-series and booster vaccination and protection against Omicron reinfectionHiam Chemaitelly, Houssein H Ayoub, Patrick Tang, et al.
Ebiomedicine|July 29, 2023
Effects of previous infection, vaccination, and hybrid immunity against symptomatic Alpha, Beta, and Delta SARS-CoV-2 infections: an observational studyHeba N Altarawneh, Hiam Chemaitelly, Houssein H Ayoub, et al.
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.
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