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.
Lag-response association at specific DTRs of Flu-A and Flu-B. DTR of 7 °C and 9 °C corresponds to the lowest cumulative RR for Flu-A and Flu-B, respectively. The solid dots are the estimated influenza risks, and the error bars are the 95% confidence intervals
