Last Updated:23 Oct 14
Efficacy: The World Health Organization successfully used smallpox vaccine to eradicate natural smallpox from the planet.
Side Effects: All vaccines cause side effects, but smallpox vaccine has unique features that require special handling.
Care of the Vaccination Site: Donít touch the smallpox vaccination site. You may spread virus somewhere else, either on your body or somebody elseís.
Exemption from Vaccination: Some people should not get smallpox vaccine, except under emergency situations.