[The problems of smallpox and smallpox vaccination].
D004660:Encephalitis; D012899:Smallpox / Q000517:prevention & control*; D014611:Vaccination / Q000150:complications*; D014612:Vaccines / Q000150:complications*; D012901:Variola virus
D014612:Vaccines
ENCEPHALITIS; SMALLPOX/prevention and control; VACCINES AND VACCINATION/complications
Probleme der Pocken und Pockenschutzimpfung.