A study of a smallpox vaccine that could prove vital in the United States' war on bioterrorism is under way at Stanford Medical Center. The trial tests the potency of the Dryvax vaccine, a 1970s-era ...
A smallpox vaccine scar is a distinctive mark that smallpox vaccination leaves behind. The smallpox vaccine was discontinued in most circumstances in the United States in the 1970s. Smallpox is a ...
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