title: Yellow fever, 1998-1999.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa / Q000453:epidemiology; D000368:Aged; D000569:Americas / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control; D005260:Female; D005858:Germany / Q000208:ethnology; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D014195:Travel; D015004:Yellow Fever / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control