What to do if i had mrsa ten years ago. will that effect results of a t.b test?

No DifferentBacteria: Staphylococcus aureus frequently present human skin & respiratory passages, especially nose. Control of this bacteria, as with all, is a function of the immune system. Sa is most commonly a commensal bacteria, but that reality is not good for marketing fear. Dietary choices, activities, emotions & any internal control affecting immune function can change. Mrsa merely means multiple resistant abs.