European surveillance of Legionnaires' disease associated with travel.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005060:Europe / Q000453:epidemiology; D005260:Female; D006801:Humans; D007877:Legionnaires' Disease / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D014195:Travel