PHILADELPHIA (CBS) - I am certain you have heard about MRSA but you may not know what it is and you should. MRSA stands for methicillin-resistant staph aureus. That's a bacterial infection that's very ...

Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium that causes infections in different parts of the body. It's tougher to treat than most strains of staphylococcus aureus -- or staph -- ...

MELVILLE, N.Y. — The type of MRSA linked to infections in communities appears to be caused by a single strain that is spreading with an extraordinary ability to be transmitted, say federal scientists ...

Concern, not panic, is the watchword for dealing with an old health problem that’s gaining new attention. “We need to understand what methicillin-resistant Staphylococcus aureus, or MRSA, is and take ...