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.
Annualised reported measles incidence* and measles virus genotype by district, Namibia, 2 August 2009 – 2 February 2011. (*Annualised measles incidence was calculated by dividing the number of confirmed measles cases from national measles case-based surveillance data in each time period by total annual population estimates from national census projections. †Each genotype symbol represents 1 – 15 specimens with that genotype detected.)
