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.
Cases of measles during an outbreak in the year of 2002 in the Gondola district of the Manica Province. The continuous bold line represents reported cases of measles in 2002. The grey line represents the geometric mean of reported measles cases for the years 1991–2001. The lines with squares represent the upper and lower endemic ranges.
