3/4/2013

Methicillin-resistant bacteria occur in humans and animals and don't respond to the usual spectrum of antibiotics, writes veterinarian Mary Ann Crawford. The human culprit, methicillin-resistant Staphylococcus aureus, only occurs in pets as the result of reverse zoonosis, so pets with this bacteria will trigger an investigation into the health of their human companions, Dr. Crawford points out. The methicillin-resistant bacteria of concern in animals is Staphylococcus pseudintermedius, and although it's unusual, transmission to humans can occur, so gloves, hand-washing and hand sanitizer should be used to prevent transmission, Dr. Crawford notes.

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