By KEN CARLSON
BEE STAFF WRITER
MODESTO BEE

Last Updated: June 14, 2005, 06:13:51 AM PDT

Staph infections once were mainly prevalent in hospitals and nursing homes.
Now, they are cropping up as skin infections on healthy people who haven't been near a medical facility.

At first, the infections look like pimples or boils, but they may develop into painful sores requiring treatment.