Figure 3.
Raw standardized morbidity ratios for incident cases of a) Plasmodium vivax and b) P. falciparum malaria in counties of Yunnan, China, 1991–2006.
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.