Title: Smallpox
First published: January 6, 2003
Subjects: Epidemiology, Cultures and culture media, Smallpox, Prevention, Biological warfare, Smallpox, vaccination, HEALTH & FITNESS, Contagious, MEDICAL, Health Policy, Infectious Diseases, Variola virus, Diseases, International Cooperation, Health & Biological Sciences, Prevention & control, Public Health, Communicable Diseases