Mycobacterium avium-intracellulare is prevalent in AIDS patients. In an effort t
ID: 73498 • Letter: M
Question
Mycobacterium avium-intracellulare is prevalent in AIDS patients. In an effort to determine the source of this infection, hospital water systems were sampled. The water contained chlorine.
Percentage of samples with M. avium:
Hot Water
Cold Water
February
88%
February
22%
June
50%
June
11%
What is the usual method of transmission for Mycobacterium? What is the probable source of infection in hospitals? How can such nosocomial infections be prevented?
Hot Water
Cold Water
February
88%
February
22%
June
50%
June
11%
Explanation / Answer
The Mycobacterium is an airborne disease. Hot water is the probable source of infection in hospitals. Such nosocomial infections can be prevented by purifying the hot water, using cold water, washing hands with cold water, and antibacterial soaps will prevent the infection.
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