Does smallpox still pose a threat?
Weir
E
E
D023482:Bioterrorism / Q000517:prevention & control*; D006801:Humans; D012899:Smallpox / Q000453:epidemiology* / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000627:therapeutic use*
D012900:Smallpox Vaccine