Figure 1.
Unadjusted incident rate (per 100,000) of chikungunya virus infection among affiliates to the Mexican Institute of Social Security (IMSS from its Spanish acronym) in the state of Colima, Mexico, 2015.
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.