President revokes plan to destroy smallpox.
Marshall
E
E
D018070:Biological Specimen Banks; D003264:Containment of Biohazards; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D011309:Preservation, Biological; D012900:Smallpox Vaccine; D014481:United States; D012901:Variola virus; D014754:Violence; D014944:World Health Organization
D012900:Smallpox Vaccine