a 20 year old patient presents to the clinic with a history of CA-MRSA skin infections over the past year. the infections have been localized abscesses that resolved with incision and drainage and use of antibacterial soap. which of the following strategies is most appropriate. a. oral vacomycin therapy for 2 weeks b. oral cephalexin for 10 days c. oral linezoid therapy for 10 days d. topical mupirocin to the nares twice daily for 5 days