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.
Meningitis surveillance data for weekly reported meningitis cases per 100 000 population from Burkina Faso, Niger, and Mali for 2001–2003.
Source. World Health Organization Multi-disease Surveillance Center, Ouagadougou, Burkina Faso, unpublished data, 2004.
