A member asked:

Where do antibiotic resistant bacteria come from?

A doctor has provided 1 answer
Dr. Michael Ein answered

Specializes in Infectious Disease

Various: They evolve in hospitals, sub acute care facilities and skilled nursing facilities. Environments where antibiotics are excessively prescribed and sensitive bacteria are killed off while resistant strains persist and thrive. They also occur in the food supply because of the excessive use of antibiotics in animal husbandry to increase animal growth rates and corporate profits.

Answered 11/4/2012

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