This is a common bacterial infection that is present on the human skin. It commonly causes abscesses and boils and can be transmitted by sexual contact. Besides staph is a common agent in food poisoning, when prepared by someone with boils in his / her hand.
Many laboratory tests are contaminated with this bacteria, hence certain tests that report staph aureus should be taken with some degree of doubt especially when the person does not have the symptoms.
Symptoms
Most staph infection produce pus. Whether from boils, abscesses or private parts, look out for discharge that contains pussy materials.
If you start vomiting 6hrs after eating food, suspect staph food poisoning. It should be noted that staph species on our skins can cause infection if an individuals immunity is reduced by certain diseases like HIV AIDS and TB.
Prevention
Strict hygiene and protection from sexually transmitted routes. Treat any boils and abscesses properly before handling food. People with Whitlows must avoid making food for the public or wear protective hand-gloves before preparing their home foods to avoid food poisoning.