A to Z: Norovirusenparentshttps://kidshealth.org/EN/images/headers/P-khAZDictionary-enHD-AR1.jpgLearn about viral infections and conditions that affect the stomach and digestive system.Norovirus, noroviruses, Norwalk virus, Norwalk-like virus, Snow Mountain virus, Hawaii virus, winter vomiting bug, Lordsdale virus, GII.4 Sydney, viral infection, gastroenteritis, stomach flu, food poisoning, stomach bugs, vomiting, diarrhea, dehydration, stomach, intestines, digestive system10/16/201304/09/201909/02/2019d3adbbf9-b8ee-4168-8a2f-34bae531ae80https://kidshealth.org/ws/RadyChildrens/en/parents/az-norovirus.html/<p><em>May also be called: Norwalk virus; Norwalk-like virus</em></p> <p>A norovirus (nor-uh-VY-rus) is a group of related viruses that can cause <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/az-gastroenteritis.html/">gastroenteritis</a> (inflammation of the <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/digestive.html/">stomach and intestines</a>).</p> <h3>More to Know</h3> <p>Noroviruses are the most common cause of gastroenteritis in the United States, affecting more than 20 million people each year. Infection with a norovirus can cause nausea, vomiting, <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/diarrhea.html/">diarrhea</a>, stomach cramps, fatigue, and mild fever.</p> <p>Noroviruses are highly contagious and often spread quickly in crowded, closed places like cruise ships, childcare centers, schools, and nursing homes. Noroviruses are spread through the vomit and feces of infected individuals. People can become infected with a norovirus by eating contaminated food, drinking contaminated water, or coming into contact with infected people or objects.</p> <p>There is no specific treatment for norovirus infection. Although the condition is rarely serious, it can cause <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/dehydration.html/">dehydration</a>, which can lead to serious complications, especially in young children, the elderly, and people with weakened immune systems.</p> <h3>Keep in Mind</h3> <p>In most cases, norovirus infections will get better in a few days without treatment. People infected with a norovirus should make sure to drink plenty of fluids to prevent dehydration. <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/hand-washing.html/">Washing hands</a> well and often can help stop the spread of noroviruses.</p> <p><em>All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.</em></p>
A to Z: GastroenteritisGastroenteritis is an infection that causes vomiting and diarrhea.https://kidshealth.org/ws/RadyChildrens/en/parents/az-gastroenteritis.html/b707a5f7-279d-4a7d-ae09-d078434acddd
DehydrationDehydration is when the amount of water in the body has dropped too low. Read about what causes dehydration, what it does to your body, and how to prevent it.https://kidshealth.org/ws/RadyChildrens/en/teens/dehydration.html/4dbb09f6-59a5-4398-a00e-944efd28f3d3
DiarrheaMost kids battle diarrhea from time to time, so it's important to know what to do to relieve and even prevent it.https://kidshealth.org/ws/RadyChildrens/en/parents/diarrhea.html/38efbf41-ac94-4d02-be5d-365f9b03cc12
Germs: Bacteria, Viruses, Fungi, and ProtozoaGerms are tiny organisms that can cause disease - and they're so small that they can creep into your system without you noticing. Find out how to protect yourself.https://kidshealth.org/ws/RadyChildrens/en/teens/care-about-germs.html/59b8feef-766a-4272-ac83-38140b1d176a
Hand Washing: Why It's So ImportantWashing your hands well and often is the best way to keep from getting sick. Here's how to teach this all-important habit to your kids.https://kidshealth.org/ws/RadyChildrens/en/parents/hand-washing.html/1751c1fa-461c-4b39-9003-a19c00f8549d
VomitingMost vomiting is caused by gastroenteritis, and usually isn't serious. These home-care tips can help prevent dehydration.https://kidshealth.org/ws/RadyChildrens/en/parents/vomit.html/20a54ee4-1e9e-4822-9631-614f8e08d622
Word! GastroenteritisFeeling sick to your stomach?https://kidshealth.org/ws/RadyChildrens/en/kids/word-gastroenteritis.html/192d04b6-3469-4bf9-8d7e-438cf4de2ac5