Figure 1.
Countries participating in NoroSurv, December 2016–August 2020. Shades of blue and size of circles indicate the number of genetic sequences included from each country.
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.