Smallpox eradication: lessons learned in Bangladesh.
D001459:Bangladesh; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007390:International Agencies; D009938:Organizations; D012899:Smallpox / Q000453:epidemiology / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine