Air-transport, a main cause of smallpox epidemics today.
D000328:Adult; D000346:Afghanistan; D000350:Africa, Central; D000401:Aircraft; D000998:Antiviral Agents; D001459:Bangladesh; D003718:Denmark; D004196:Disease Outbreaks / Q000517:prevention & control; D004197:Disease Reservoirs; D004812:Epidemiologic Methods; D005002:Ethiopia; D005060:Europe; D006801:Humans; D007194:India; D007211:Indoles; D007391:International Cooperation; D008297:Male; D009390:Nepal; D010154:Pakistan; D011790:Quarantine; D012899:Smallpox / Q000453:epidemiology* / Q000517:prevention & control; D013397:Sudan; D013882:Thiosemicarbazones; D014611:Vaccination
D000998:Antiviral Agents; D007211:Indoles; D013882:Thiosemicarbazones