Hello dear Doctor
Thanks for choosing Health care magic.
As you know staph aureus is present all over the body and can cause infection anywhere on skin surface.
Yes, you could be carrier of staph and carriers remains in colonization.
Colonization is an important step in the pathogenesis of staph and approximately 20% of the general population is persistentently colonized with staph, most frequently in the anterior nares,although other part of body ,such as perineum
and throat may also be colonized.
You need eradication of staph.
Eradication of staph carries two purposes
No1 prevention of infection and
No 2, prevention of transmission.
There are several eradication strategies evalvated; you can choose one, so that no other member of family gets infected.
Hope I answered your question.
My best wishes for your son