<prompt> Drug of choice for MRSA infection -CiprofloxacinOxacillinVancomycinClindamycin  <response>: Ans. is c i.e., Vancomycin Methiciiin resistance staphylococcus aureus MRSAo MRS A is a bacterium responsible for several difficult-to-treat infections in humans.o It may also be referred to as multi-drug resistant staphylococcus aureus or oxacillin resistant staphylococcus aureus ORSA.o MRSA is by definition any strain of staphylococcus aureus that is resistant to a b-lactams including penicillin, methiciiin, cloxacillin, nafcillin, oxacillin and cephalosporins.o Resistance develops due to alteration in transpeptidase penicillin binding protein on which all b-Iactam antibiotic act: so, MRSA is resistant to all b-lactam antibiotics,o MRSA especially community acquired MRSA: CA-MRSA display enhanced virulence, spreading more rapidly and causing disease much more severe than traditional staphylococcus aureus.o Vancomycin is the DOC for MRSA.Drugs for MRSA -Vancomycin DOC,TMP-SMXMittocyclinCiprofloxacinLinezolidLevofloxacinQuinopristindalfopristinDaptomycinOritavaccinTigecyclinTeicoplaninCotrimoxazole 