title: Smallpox: a 21st century killer?
authors.forename: Scott C
authors.initials: SC
authors.lastname: Ratzan
mesh_terms: D000998:Antiviral Agents / Q000627:therapeutic use; D023482:Bioterrorism; D000077404:Cidofovir; D003596:Cytosine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D006801:Humans; D063065:Organophosphonates; D009943:Organophosphorus Compounds / Q000627:therapeutic use; D012899:Smallpox / Q000188:drug therapy / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects*; D014481:United States; D014615:Vaccinia / Q000821:virology*
chemical_list: D000998:Antiviral Agents; D063065:Organophosphonates; D009943:Organophosphorus Compounds; D012900:Smallpox Vaccine; D003596:Cytosine; D000077404:Cidofovir