It isn't just San Diego; it's happening in Cincinnati, too.
Really? More info please.
MRSA has been present as nosocomial infectious agents for many years. Commonly acquired in hospitals. Methcillin has been a reserve drug for many years for Staphlococcus aureus, once that particular strain cultured from a patient was found to be resistant. So then they go to Methcillin. Now, methcillin is no longer efficacious against this particular strain.