what causes staphylococcus
Health-Wire. Staphylococcus bacteria cause staph infection. This bacterial infection may occur in the skin, blood, or may include food poisoning, blood poisoning, pneumonia, or skin problems. MRSA (methicillin-resistant Staphylococcus aureus) is the most dangerous, hardest-to-treat staphylococcus bacteria.ome ways the staph bacteria causes bacterial infection: 1  The MRSA bacteria may cause many contagious skin infections or cellulitis. 2  These are transmitted from an infected person to others. 3  Sharing towels or extensive physical contact with a person infected by the MRSA bacterial infection can lead to staph infection.