Cholera vaccine and international travel.
D002771:Cholera / Q000453:epidemiology / Q000517:prevention & control; D022121:Cholera Vaccines; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007391:International Cooperation; D013752:Tetracycline / Q000494:pharmacology; D014195:Travel; D014611:Vaccination
D022121:Cholera Vaccines; D013752:Tetracycline