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Omicron extensively but incompletely escapes Pfizer BNT162b2 neutralization

(2022) Sandile Cele et al.   NATURE

Covid-19 Vaccine Effectiveness against the Omicron (B.1.1.529) Variant

(2022) Nick Andrews et al.   NEW ENGLAND JOURNAL OF MEDICINE

Immunological memory to SARS-CoV-2 assessed for up to 8 months after infection

(2021) Jennifer M. Dan et al.   SCIENCE

Characterisation of the first 250 000 hospital admissions for COVID-19 in Brazil: a retrospective analysis of nationwide data

(2021) Otavio T Ranzani et al.   Lancet Respiratory Medicine

Serological evidence of human infection with SARS-CoV-2: a systematic review and meta-analysis

(2021) Xinhua Chen et al.   Lancet Global Health

Theoretical framework for retrospective studies of the effectiveness of SARS-CoV-2 vaccines

(2021) Joseph A. Lewnard et al.   EPIDEMIOLOGY

Affinity maturation of SARS-CoV-2 neutralizing antibodies confers potency, breadth, and resilience to viral escape mutations

(2021) Frauke Muecksch et al.   IMMUNITY

Is one vaccine dose enough if you’ve had COVID? What the science says

(2021) Elie Dolgin   NATURE

Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine through 6 Months

(2021) Stephen J. Thomas et al.   NEW ENGLAND JOURNAL OF MEDICINE

Reduced Risk of Reinfection with SARS-CoV-2 After COVID-19 Vaccination — Kentucky, May–June 2021

(2021) Alyson M. Cavanaugh et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

SARS-CoV-2 vaccines for all but a single dose for COVID-19 survivors

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(2021) Eduardo A Oliveira et al.   Lancet Child & Adolescent Health

Comparative immunogenicity of mRNA and inactivated vaccines against COVID-19

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Real-world effectiveness of COVID-19 vaccines: a literature review and meta-analysis

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Association of Prior SARS-CoV-2 Infection With Risk of Breakthrough Infection Following mRNA Vaccination in Qatar

(2021) Laith J. Abu-Raddad et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Two-dose ChAdOx1 nCoV-19 vaccine protection against COVID-19 hospital admissions and deaths over time: a retrospective, population-based cohort study in Scotland and Brazil

(2021) Srinivasa Vittal Katikireddi et al.   LANCET

China’s COVID vaccines have been crucial — now immunity is waning

(2021) Smriti Mallapaty   NATURE

Effect of Delta variant on viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK

(2021) Koen B. Pouwels et al.   NATURE MEDICINE

Severity of SARS-CoV-2 Reinfections as Compared with Primary Infections

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T-cell and antibody responses to first BNT162b2 vaccine dose in previously infected and SARS-CoV-2-naive UK health-care workers: a multicentre prospective cohort study

(2021) Adrienn Angyal et al.   Lancet Microbe

Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK

(2020) Merryn Voysey et al.   LANCET

Using the Standardized Difference to Compare the Prevalence of a Binary Variable Between Two Groups in Observational Research

(2009) Peter C. Austin   COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION