What is Norovirus, the Cause of Diarrhea Epidemic in China? All pages

KOMPAS.com – Not over the plague coronavirus starting in Wuhan, China, late last year, now there is another outbreak in that country.

As many as 11 cases of students at a university in Taiyuan, the capital of China‘s Shanzi Province, were reported to have tested positive norovirus.

Based on the news Kompas.com, (12/10/2020), about 70 students experienced diarrhea and vomiting.

Then, the Department of Disease Control and Prevention (CDC) in Taiyuan took a sample of 28 student cases to carry out a norovirus test on Wednesday and Saturday (10/10/2020).

As of Sunday (11/10/2020), 22 patients who experienced diarrhea and vomiting due to this virus and other factors were still being treated in hospital.

Also read: Unfinished Corona Virus, China Now Attacked By Norovirus

Melansi WebMD, the norovirus was originally referred to as the Norwalk virus, where the outbreak was first confirmed in 1972.

Norovirus considered the most common cause of acute gastroenteritis (diarrheal disease and vomiting) worldwide.


This virus spreads easily through food and drink and can have a major impact on public health.

According to the Centers for Disease Control and Prevention (CDC) in the US, the average norovirus causes 19 million to 21 million cases in the US annually.

Even so, cases of norovirus infection generally occur in winter. Because of this, people also call it “winter vomiting infection”.

It is known, this virus can be transmitted for up to 8 weeks. That is, there is a possibility that someone can pass it on to other people.

However, these infections usually get less and less over time.

In most cases, a person can return to work or activities after being symptom free for 48 hours.

However, those who work as food waiters are generally encouraged to quarantine for 72 hours before serving returning customers.

Also read: CORONA VIRUS INFOGRAPHIC SERIES: What are Coronavirus and Covid-19?


Reporting from MayoClinic, mentioned there are a number of symptoms experienced by people with norovirus, including:

  1. Nausea
  2. Throw up
  3. Stomach pain or cramps
  4. Watery diarrhea
  5. Not feeling well
  6. Mild fever
  7. Muscle ache

These symptoms usually appear 12-48 hours after a person is exposed to norovirus and last 1-3 days later.

As for a sufferer can continue to defecate (BAB) which lasts up to two weeks after recovery.

This excessive defecating activity can last for weeks or even months if the sufferer has comorbidities or underlying diseases,

It is known that some people with norovirus infection have no symptoms. However, they still transmit and spread the virus to others.


For most people, norovirus infection usually goes away within a few days and is not life-threatening.

However, in some cases, especially children, and the elderly, norovirus infection can cause severe dehydration.

The symptoms of a person experiencing severe dehydration include fatigue, dry mouth and throat, lethargy, dizziness, and decreased quality of urine.

Also read: Coronavirus Trending on Twitter, Here Are Rows of Films that Tell a Deadly Virus


Not only being aware of the symptoms that occur in sufferers, the cause of norovirus infection is also important to note.

Norovirus is highly transmitted through infected human and animal waste.

In addition, other causes can be through:

  • Eat contaminated food
  • Drink contaminated water
  • Touching your hand to your mouth after your hand has touched a contaminated surface or object
  • Having close contact with a person who has a norovirus infection

Even so, noroviruses are difficult to eradicate because they can withstand hot and cold temperatures and most disinfectants.

Risk factors

In addition, there are also a number of risk factors that allow us to contract norovirus, namely:

-Eat in places where food is not handled properly
– Visit the child care center
– Living in a nearby place, like in a nursing home
-Stay at a hotel, resort, cruise ship, or any place with large crowds in close proximity
-Having contact with someone who has a norovirus infection.

Also read: Study: The Use of Masks Can Prevent the Second Wave of Corona Virus


The norovirus infection is highly contagious, and anyone can become infected more than once.

Therefore, to help prevent its spread, the following actions can be taken:

  • Wash your hands thoroughly with soap and water, especially after using the toilet or changing diapers.
  • Avoid contaminated food and water, including food that may have been prepared by someone who was sick.
  • Wash fruits and vegetables before eating.
  • Cook the seafood until clean.
  • Dispose of vomit and feces carefully to avoid spreading the norovirus through the air.
  • Soak the material in a disposable towel, disturbing it as little as possible, and place it in a single-use plastic bag.
  • Disinfect surfaces that may have been contaminated. Use a chlorine bleach solution and wear gloves.
  • Stay home from work, especially if your job involves handling food. You may be infected for three days after your symptoms end.
  • Children must stay home from school or child care.
  • Avoid traveling until your signs and symptoms have disappeared.

Also read: October 13th, Commemorated as No Bra Day, How’s the History and Goals?


Share on facebook
Share on pinterest
Share on twitter
Share on linkedin
Share on email


Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.