Effectiveness of COVID-19 vaccines against SARS-CoV-2 variants of concern: a systematic review and meta-analysis.

Baoqi ZengLe GaoQingxin ZhouKai YuFeng Sun

Published in: BMC medicine (2022)

Full vaccination of COVID-19 vaccines is highly effective against Alpha variant, and moderate effective against Beta, Gamma, and Delta variants. Booster vaccination is more effective against Delta and Omicron variants. mRNA vaccines seem to have higher VE against Alpha, Beta, Gamma, and Delta variants over others.

Keyphrases

sars cov
copy number
coronavirus disease
respiratory syndrome coronavirus
randomized controlled trial
systematic review
gene expression
high intensity
genome wide