 [ Symptoms ] i have 2 circles that are the same color as scar tissue on thigh what is it [ Disease ] unless you have a skin infection that is consistent with mrsa there is really nothing to test mrsa is carried by 2 out of every 100 people regular staph is carried by 1 out of every 3 people just because it was in her nose does not mean she is infected just a carrier you should not be worried