Yellow fever preparedness.
D000349:Africa; D001938:Brazil / Q000453:epidemiology; D004189:Disaster Planning / Q000379:methods* / Q000706:statistics & numerical data; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D010239:Paraguay / Q000453:epidemiology; D015004:Yellow Fever / Q000453:epidemiology* / Q000517:prevention & control; D022341:Yellow Fever Vaccine / Q000600:supply & distribution*
D022341:Yellow Fever Vaccine