There are many ways to get staph infection, At a school, public pool, hotel, or a hospital. Basically any public place with lots of people is where you can get staph. Its not hard to get but once you...
You need to see a doctor and get an antibiotic. Hand washing, change the dressing if it's a wound (ask the doctor HOW and what you should use), just use common sense good hygiene to help the staph...