“Epidemic Virus | Beware! Norovirus season is coming”

The peak season of norovirus epidemics is from October to March of the following year.

The Chinese Center for Disease Control and Prevention said that norovirus disease outbreaks occurred mainly in kindergartens or schools. Norovirus disease outbreaks are also common in tour groups, cruise ships, and vacation centers.

So what is norovirus? What are the symptoms after infection? How should it be prevented?

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Public | Norovirus

Norovirus

Norovirus is a highly contagious virus that can suddenly cause severe vomiting and diarrhea when infected. The virus is usually transmitted from food and water sources that have been contaminated in preparation, or through contaminated surfaces, and close contact can also lead to human-to-human transmission of the virus. All age groups are at risk of becoming infected, and infection is more common in cooler environments.

Noroviruses used to be called Norwalk-like viruses.

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Public | Norovirus

Post-infection Symptoms

Signs and symptoms of norovirus infection include:

  • nausea
  • Vomiting
  • Stomach pain or cramping
  • Watery diarrhea or diarrhea
  • Feeling ill
  • Low-grade fever
  • Myalgia

Symptoms usually begin 12 to 48 hours after infection with norovirus and last 1 to 3 days. Most patients generally recover on their own, with improvement within 1 to 3 days. After recovery, the virus can continue to be excreted in the patient's stool for up to two weeks. Some people with norovirus infection do not have any symptoms of infection. However, they are still contagious and can spread the virus to other people.

Prevention

Norovirus infection is highly contagious and can be infected multiple times. To prevent infection, the following precautions are recommended:

  • Wash your hands with soap and water, especially after going to the toilet or changing a diaper.
  • Avoid contaminated food and water.
  • Wash fruits and vegetables before eating.
  • Seafood should be fully cooked.
  • Handle vomit and feces with care to avoid airborne norovirus.
  • Disinfect potentially contaminated surfaces.
  • Isolate in time and may still be contagious within three days of symptoms disappearing.
  • Seek medical attention in time and reduce going out until the symptoms disappear.

Post time: Oct-18-2022

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