My 76yr old uncle has mrsa, my aunt is scared to touch or kiss him. should she be? several non-medical people have told her yes.

Details matter: MRSA is a group of bacteria, not a diagnosis. Many people carry it in the nose or on the skin with no symptoms. They are colonized. If you culture your aunt's nose there is a very high possibility of finding MRSA. Does your uncle have a diagnosis? "MRSA" is not a diagnosis. If he had, for example, tuberculosis or syphilis or bubonic plague, then stay away. In this case probably there is little ris