MCQ Infection Answer 22
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Organisms that can persist in water environments and survive disinfection, especially chlorination, are most likely to cause disease outbreaks related to drinking water. Cryptosporidium oocysts and Giardia cysts are resistant to chlorine and are important causes of gastroenteritis from drinking water. Entamoeba histolytica and hepatitis A virus are also relatively chlorine resistant. The other organisms listed are chlorine sensitive.
Ref: Balbus JM, Lang ME: Is the water safe for my baby? Pediatr Clin North Am 2001; 48(5): 1129-1152.
Tags: MCQ, Infection, Disinfection
Category: Infectious Diseases MCQs
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