title: At start of second smallpox-free decade, debate continues about keeping virus.
authors.forename: K
authors.initials: K
authors.lastname: Sternberg
mesh_terms: D003001:Cloning, Molecular; D005260:Female; D006801:Humans; D012106:Research; D012899:Smallpox / Q000453:epidemiology*; D013997:Time Factors; D012901:Variola virus