Fig 2. Weekly dengue case numbers in Zhongshan and Guangzhou, 2005 to 2014.
* *: The Y axis is displayed in natural exponential scale.
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.