Appendix 1—figure 17. Crude monthly seroprevalence disaggregated by sex.
Boxplots represent the crude seroprevalence obtained by aggregating all months, defined as the proportion of positive tests combining all months.
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.