Norovirus is also restless in winter and spring

Norovirus is not peaceful

Winter and spring are the prevalence seasons for norovirus infection. If you have vomiting and diarrhea, it is very likely that you have been infected with norovirus; schools, nurseries and other collective units are prone to outbreaks or clusters of epidemics, and we should focus on prevention and control.

What is norovirus?

Norovirus, also known as Norwalk virus, is a virus of the genus Norovirus in the human calicivirus family. Norovirus infectious diarrhea is prevalent all over the world, and infection can occur throughout the year. The target of infection is mainly adults and school-age children, with a high incidence in cold seasons.


“Norovirus” infectious diarrhea is a self-limiting disease, there is no vaccine and specific drugs,

Therefore, good personal hygiene, food hygiene and drinking water hygiene are the key to preventing this disease. It is necessary to develop healthy lifestyle habits such as frequent hand washing, no drinking of raw water, separation of raw and cooked food, and avoiding cross-contamination.

Clinical symptoms:

Children: mainly vomiting;

Adults: diarrhea is the main cause; stools are watery or watery stools.

There is currently no vaccine to deal with him

Antibiotics are also ineffective against norovirus.

way for spreading:


  1. Take care of the “disease in the mouth”:
  2. Pay attention to personal hygiene and wash hands before and after meals;
  3. It is best for patients to avoid eating together with other people, and the used eating utensils should be washed and sterilized at high temperature;
  4. Patients must not cook for others within 3 days from illness to recovery;
  5. All foods (especially shellfish and seafood) must be thoroughly cooked before consumption.

Second, avoid contact:

  1. Pay attention to personal hygiene and wash hands frequently;
  2. Patients try not to have close contact with other healthy family members;
  3. The patient’s residence should open windows for ventilation or use exhaust fans to maintain indoor air circulation;
  4. Clean up the vomit and feces of sick family members in time, and clean and disinfect contaminated places and objects;
  5. When performing disinfection, be sure to wear a mask and gloves, and take personal protection.


  1. Pay attention to personal hygiene:

Wash your hands frequently: Wash your hands before and after meals.

Drink boiled water: drink warm or cold boiled water, not raw water.

  1. The environment must be good:

Frequent ventilation: The room is ventilated at least 2-3 times a day for at least 30 minutes each time.

Cooked and cooked thoroughly: Food must be cooked thoroughly, especially seafood such as oysters, and ready-to-eat vegetables thoroughly washed.

  1. If students or employees of collective units such as schools and kindergartens have symptoms such as vomiting and diarrhea, they should follow the advice of the unit doctor and seek medical treatment in time. They can return to school and work 72 hours after the symptoms have completely disappeared.

Pay attention to the handling of vomit

It is very important to handle vomit correctly. Many workers may get infected during the handling of norovirus vomit. Alcohol has no effect on norovirus. Chlorine disinfectant, high-temperature boiling, exposure and ultraviolet light can effectively kill norovirus.

  1. Patient’s vomit and excrement

First, prior to cleaning and disinfection, other unrelated personnel should stay away from vomit or excrement as much as possible. Wear masks and gloves when handling vomit or excrement. After handling, clean and disinfect hands with soap and hand sanitizer. Use a disposable rag to dip 5000mg/L~10000mg/L chlorine-containing disinfectant to carefully remove the pollutants; the pollutants in the toilet or container can be poured into a sufficient amount of 5000mg/L~10000mg/L chlorine Disinfect the disinfectant for more than 30 minutes; clean the used mops, wipes and other tools must also be soaked in 5000mg/L chlorine-containing disinfectant solution for 30 minutes and rinse thoroughly before they can be used again.

  1. Floor, wall and surface

Use 1000mg/L chlorine-containing disinfectant to disinfect the floor, walls and surfaces. Walls and floors can be wiped or sprayed for at least 15 minutes at the amount of 100mL~300mL per square meter; furniture and household utensils can be soaked, sprayed or wiped disinfected with disinfectant for 30 minutes and then wiped clean with clean water.

  1. Patient’s vomit and excrement

When disposing of contaminated clothing, bed sheets and other fabrics, first remove the vomit or excrement and soak it in a 500mg/L chlorine disinfectant for 30 minutes, and then wash it. If they cannot be disinfected immediately, they should be placed in a sealed bag and disposed of as soon as possible.

Four, food utensils

When contaminated dining (drinking) utensils or food processing tools are contaminated, food residues should be removed first, and then boiled for 30 minutes, or 500mg/L chlorine-containing disinfectant can be soaked or wiped for 30 minutes, and then rinsed with water .

Five, skin

When the skin is contaminated, the contaminants should be removed immediately, and then 0.5% iodophor disinfectant should be wiped and disinfected with a disposable absorbent material for more than 3 minutes, and then rinsed with clean water.

Finally, during the illness

Try to let the patient rest and eat lightly

Observe the patient’s condition carefully

If symptoms such as dehydration occur, go to a regular hospital for treatment as soon as possible

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