Figure 1.
Number of diphtheria cases reported and estimated coverage of three doses of primary diphtheria vaccine, India 1980–2008
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.