1977 The last natural case of smallpox was discovered in Merca district, Somalia. The WHO and the CDC consider this date the anniversary of the eradication of smallpox, the most spectacular success of vaccination.
This entry was posted on Monday, October 26th, 2009 at 12:25 am and is filed under history. You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.