The answer is food poisoning. Staph is a bacteria, and it's a well-known cause of it.
Tetanus, the common cold, and malaria all trace back to entirely different pathogens — tetanus from a different bacteria, colds from a virus, malaria from a parasite. Staph specifically is tied to food poisoning, which is one of several reasons proper sanitation and hand hygiene matter so much behind the chair.
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