These infections were all wound infections. They were not GI or respiratory infections. Winslow's 2nd mysterious infection occurred following aspiration of a testicular hydrocele, i.e., a needle stuck in the testicular fluid collection to draw the fluid out.
July 21, 2009
More Kellen Winslow Staph Details Emerge
As staph infection rates in hospitals and in the community (those contracted outside of hospital environment) seem to be increasing due to overuse/inappropriate use of antibiotics (including failure to use antibiotics when they should be used prophylactically), so have the occurrences of such wound infections in athletes.
Winslow is latest chapter in Browns' mysterious staph story
This is especially the case when one who has such an infection (knowingly or not) and shares close quarters, shower facilities, training rooms, etc. Obviously, though, air-borne (respiratory) infections and GI (oral ingestion) infections are just as likely to be easily transmitted through the same shared closed quarter environments.