This document discusses personal hygiene practices that food catering businesses should follow. It outlines that all food handlers must be medically examined annually and vaccinated against enteric diseases. Food handlers must practice proper hand washing and wear clean protective clothing, masks, gloves and footwear when handling food. They should avoid behaviors like smoking or scratching body parts that could contaminate food. The document also states that visitors to food preparation areas must also adhere to these hygiene standards by wearing protective clothing and following hand washing procedures.