Staphylococcus aureus can cause a type of ear infection called otitis externa, also known as “swimmer’s ear.” The infection involves the ear canal, which has both a bony and a cartilaginous portion.

STATEN ISLAND, N.Y. -- It's one of the most annoying feelings in the world. It's a hot day and you take a dip in the pool or ocean to cool off. Feeling ambitious, you do a lap, maybe two, before ...