12 After eating a deli sandwich, Qasim begins to experience severe stomach cramps and diarrhea. When he does not get any better, his friend takes Qasim to the emergency room. The source of Qasim’s poisoning is traced to the bacteria Staphylococcus aureus. Qasim’s friend does not understand because he ate at the same deli and felt fine. Which fact about Staphylococcus aureus will the doctor MOST likely share with the two? A. Humans have very little contact with Staphylococcus aureus. B. Eating iceberg lettuce is the only way to contract Staphylococcus aureus. C. Qasim may pass the illness to his friend if he doesn’t quarantine. D. Staphylococcus aureus can cause illness in vulnerable people