Effectiveness of Covishield vaccine in preventing Covid-19 – A test-negative case-control study

Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant

Jamie Lopez Bernal, Nick Andrews, Charlotte Gower et al. · New England Journal of Medicine · 2021 · 3.1K citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2021 · 1.2K citations · Full text

Veterinary Medicine, Immunology, Immunization +16

Effectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile

Alejandro Jara, Eduardo A. Undurraga, Fabio Paredes et al. · New England Journal of Medicine · 2021 · 949 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

Vaccine Breakthrough Infections with SARS-CoV-2 Variants

Ezgi Hacisuleyman, Caryn Hale, Yuhki Saito et al. · New England Journal of Medicine · 2021 · 811 citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +17

Interim findings from first-dose mass COVID-19 vaccination roll-out and COVID-19 hospital admissions in Scotland: a national prospective cohort study

Eleftheria Vasileiou, Colin R Simpson, Ting Shi et al. · The Lancet · 2021 · 604 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +12