COVID-19 vaccine effectiveness
(Randomized evidence)

Methods

Protocol

Latest news:Last search date July 30, 2023. No further screening is planned after this date. Extraction is ongoing for all pending studies.

A list of studies pending extraction is available here.

meta-COVID

Perform your own analysis using COVID-NMA data for prime vaccination (last search date 14/12/2022), create and download your forest plots by clicking below:

go to metacovid

Vaccine types

COVID-19 BOOSTER DOSE VACCINATION: updated daily

Vaccine efficacy, immunogenicity and safety of booster vs no booster (tables)

Vaccine efficacy, immunogenicity and safety of booster VS booster (tables)

COVID-19 PRIME VACCINATION: Last search date December 14, 2022.

Vaccine efficacy and safety for vaccine vs placebo / no vaccine (forest plots)

Vaccine efficacy and safety for vaccine vs vaccine (forest plots)

Vaccine efficacy, immunogenicity and safety of heterologous vs homologous vaccination (tables)