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.
Quantities estimated from an age-structured model of measles transmission in China during 2014. Contributions to the basic reproduction number and equilibrium prevalence on the left and right, respectively. We describe these calculations and provide results for 2006 in supplement II.
