Norovirus
For Prelims: About Norovirus
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Why in the news?
A sharp increase in norovirus outbreaks has been reported in the US this winter.
About Norovirus:
- It is a common and highly contagious virus that causes inflammation in the stomach and intestines, a condition known as gastroenteritis.
- It is also sometimes referred to as the ‘stomach flu’ or the ‘winter vomiting bug’.
- People of all ages can get infected and sick with norovirus, which spreads very easily and quickly.
- These viruses are responsible for about 90% of viral gastroenteritis outbreaks and close to 50% of cases across the world.
- You can get norovirus illness many times in your life because there are many different types of noroviruses.
Transmission:
- They are commonly spread through food or water that is contaminated during preparation or through contaminated surfaces.
- Noroviruses can also spread through close contact with a person who has a norovirus infection.
Symptoms:
- The initial symptoms of norovirus are vomiting and/or diarrhoea, which show up one or two days after exposure to the virus.
- Patients also feel nauseous, and suffer from abdominal pain, fever, headaches and body aches.
- In extreme cases, loss of fluids could lead to dehydration.
Treatment:
- No vaccines are currently available to prevent norovirus. Treatment for the infection focuses on relieving your symptoms.
- It is important to maintain hydration in the acute phase.
- In extreme cases, patients have to be administered rehydration fluids intravenously.
Source: Live Mint