Further update on leptospirosis: continuing risk in fish farmers.
D000293:Adolescent; D000328:Adult; D005398:Fisheries; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D012306:Risk; D014895:Weil Disease / Q000453:epidemiology*