I am trying to find out what the Bacteria Infection called Mercer, (or however y!

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I think maybe you're asking about MRSA. Here is some info on it:

http://www.health.state.ny.us/nysdoh/communicable_diseases/en/mrsa.htm

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unfortunately, methicillin resistent staph aureus (MRSA ---pronounced mersa), which used to be a hospital acquired infection, is now becoming an infection people can get outside the hospital.

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