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.
Episodes of acute pneumonia per child year produced in 2007 by the Child Health Epidemiology Reference Group, established by the World Health Organization. Reproduced with permission from Rudan et al. (38) and the World Health Organization.
