12.
Analysis 2.1.2: non‐replicating viral vector vaccine. Outcome: confirmed symptomatic COVID‐19 after complete vaccination.
Voysey 2021a: data pooled from four trials.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.