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.
Adjusted odds ratios (aOR) of positivity to SARS-COV-2 in hospitalized patients. OR were adjusted by age, gender, month of the year, and months after full vaccination. The empty category has too few observations to be estimated. Effectiveness was estimated as 1-aOR.
