Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Staphylococcal Infections ?
    ### Response:
    Staph is short for Staphylococcus, a type of bacteria. There are over 30 types, but Staphylococcus aureus causes most staph infections (pronounced "staff infections"), including       - Skin infections    - Pneumonia    - Food poisoning    - Toxic shock syndrome    - Blood poisoning (bacteremia)       Skin infections are the most common.
    