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Get a vaccine. Practice good hygiene. Clean kitchen and bathroom surfaces daily. Avoid touching your face throughout the day. Avoid undercooked and raw foods.
In some countries, a vaccine against rotavirus is available for children. Children under one year old can be administered the vaccine. In most cases, the rotavirus vaccine will prevent a child from experiencing severe symptoms of gastroenteritis throughout his or her life. Use hand sanitizer often. Always wash your hands after going to the bathroom, visiting public spaces, before and after eating, and whenever deemed appropriate throughout the day. Be sure to wash any clothing items, bedding, and/or washable toys that come into contact with an infected individual to avoid spreading the virus. Use a chlorine bleach-based cleaner to sterilize countertops in your home and avoid bacteria from spreading. Over the course of a day, the average person often comes into direct contact with bacteria and viruses that have the potential to cause sickness. Be sure to avoid touching your face, especially orifices such as your mouth, nose, eyes, and ears as much as possible throughout the day. Be sure to wash your hands before touching your face if possible. These foods have a higher ability to spread the stomach flu virus. Meats are especially prone to carrying the virus. Consume undercooked and raw meats and other foods with extreme caution.  Do not drink untreated water or unpasteurized milk when possible. Untreated or unpasteurized waters can carry illness-inducing bacteria and viruses. Only drink from sealed bottles and use bottled water to brush your teeth when you are travelling. Wash fruits and vegetables thoroughly before consuming to remove any outstanding bacteria from the outside of the produce.