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.
Summary of the survey intervention designed to address the aims of this study and the timing at which they were delivered during the survey. Participants were asked questions and then provided with educational information to increase knowledge about the concept of herd immunity, the MMR vaccination coverage in their county, and the herd immunity threshold for measles.
