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.
Infection probabilities in the audience area: (a) left audience area, without mask; (b) left audience area, with masks; (c) right audience area, without mask; (d) right audience area, with masks; (e) on the right of the first lady, without mask; (f) on the right of the first lady, with masks.
