Staph is a common germ, lives on skin, in nose, elsewhere-ubiquitous.
When get where they don't belong, cause infection including pus
pockets (abscesses). Some strains are resistant to multiple antibiotics. One such strain is MRSA
resistant staph. Aureus); can be a big deal id there's infection with limited antibiotc available to rx. Don't want it to spread in hospitals, a big deal.