When disease - causing germs get into water and food or onto hands, utensils, or surfaces used for preparing and serving food, they may be passed into the mouth and swallowed, resulting in illness.
घराजवळ, घराकडे जाणाऱ्‍या मार्गावर किंवा मुले खेळतात त्या ठिकाणी प्राण्यांची विष्ठा नाही याची खातरी करावी.