The most common illnesses associated with floods described in the literature are diarrhea, cholera, typhoid, hepatitis (jaundice), and leptospirosis. Unusual illnesses such as tetanus have also been reported. The etiologic agents identified include Cryptosporidium spp., hepatitis A virus, hepatitis E virus, Leptospira spp., Salmonella spp., and Vibrio spp. Severe outbreaks of cholera, in particular, have been directly associated with flooding in Africa and in West Bengal, India (6,7).