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.
Orange bars represent the number of surveys in school-aged children (SAC) population. Green bars represent the number of surveys of the Community population. The blue line represents the total number of surveys with highly sensitive diagnostic methods (High-S).
