what is a staph infection
1 Staphylococcus, is bacteria that can cause many types of infections. 2  Staphylococcus can cause diseases such as abscesses, impetigo, food poisoning, cellulitis, mastitis, scalded skin syndrome, and toxic shock syndrome.taph Infection At A Glance. 1  Staphylococcus, is bacteria that can cause many types of infections. 2  Staphylococcus can cause diseases such as abscesses, impetigo, food poisoning, cellulitis, mastitis, scalded skin syndrome, and toxic shock syndrome.