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Nature
|
February 5, 2025
Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Vaccine
|
July 30, 2025
Comparative effectiveness of one versus two doses of COVID-19 vaccines in Qatar: Evidence of converging protection over time
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Elife
|
June 9, 2025
Assessing healthy vaccinee effect in COVID-19 vaccine effectiveness studies: a national cohort study in Qatar
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Scientific Reports
|
October 8, 2025
Effectiveness and durability of a fourth dose of ancestral-strain mRNA vaccines against SARS-CoV-2 infection: a nationwide matched cohort study in Qatar
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
BMC Infectious Diseases
|
August 17, 2025
Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Journal of Travel Medicine
|
April 9, 2024
Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant
Hiam Chemaitelly, Peter Coyle, Mohamed Ali Ben Kacem, et al.
Open Forum Infectious Diseases
|
March 17, 2025
Evaluating Hospital Admission Data as Indicators of COVID-19 Severity: A National Assessment in Qatar
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
BMJ Open Respiratory Research
|
March 26, 2025
Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
Journal of Global Health
|
February 9, 2022
Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experience
Raghid Bsat, Hiam Chemaitelly, Peter Coyle, et al.
The Lancet. Infectious Diseases
|
February 4, 2023
BNT162b2 antigen dose and SARS-CoV-2 omicron infection in adolescents
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
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Search research articles
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Showing results (81-90 of 128) with videos related to
Sort By:
Page
of 13
Nature
|
February 5, 2025
Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Vaccine
|
July 30, 2025
Comparative effectiveness of one versus two doses of COVID-19 vaccines in Qatar: Evidence of converging protection over time
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Elife
|
June 9, 2025
Assessing healthy vaccinee effect in COVID-19 vaccine effectiveness studies: a national cohort study in Qatar
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Scientific Reports
|
October 8, 2025
Effectiveness and durability of a fourth dose of ancestral-strain mRNA vaccines against SARS-CoV-2 infection: a nationwide matched cohort study in Qatar
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
BMC Infectious Diseases
|
August 17, 2025
Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Journal of Travel Medicine
|
April 9, 2024
Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant
Hiam Chemaitelly, Peter Coyle, Mohamed Ali Ben Kacem, et al.
Open Forum Infectious Diseases
|
March 17, 2025
Evaluating Hospital Admission Data as Indicators of COVID-19 Severity: A National Assessment in Qatar
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
BMJ Open Respiratory Research
|
March 26, 2025
Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities
Layan Sukik, Hiam Chemaitelly, Houssein H Ayoub, et al.
Journal of Global Health
|
February 9, 2022
Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experience
Raghid Bsat, Hiam Chemaitelly, Peter Coyle, et al.
The Lancet. Infectious Diseases
|
February 4, 2023
BNT162b2 antigen dose and SARS-CoV-2 omicron infection in adolescents
Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, et al.
Page
of 13