Fig. 1.
Epidemic curves of 15 influenza outbreaks used for calculating R based on an epidemic model in Changsha city, China. ID, Identification; R, reproduction number; Rcon, reproductive number with control measures.
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.