Figure 2. Kaplan-Meier Curve Showing the Probability of Reinfection in the 3 Vaccine Groups, All Participants and According to Symptom Status.
HCWs indicates health care workers.
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.