title: Smallpox transmission risks: how bad?
authors.forename: Laura H
authors.initials: LH
authors.lastname: Kahn
mesh_terms: D000391:Air Microbiology; D023482:Bioterrorism; D004196:Disease Outbreaks; D006801:Humans; D009519:New York City / Q000453:epidemiology; D011050:Policy Making; D012899:Smallpox / Q000453:epidemiology / Q000635:transmission*; D014586:USSR / Q000453:epidemiology