Fig 3.
Temporal variation in the numbers of monthly imported CHIKV cases (A) and the monthly overseas arrivals from the Pacific region, Southeast Asia, South and Central Asia (B), from January 2008 to December 2017.
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.