Scientific Q&A about the new coronavirus: Do you know about Wuhan pneumonia?

1. How long can the new coronavirus survive in a normal environment?

Answer: Viruses can only survive inside the cells of living organisms and basically cannot survive at room temperature.

2. Experts say that the virus can be inactivated in 56°C water in 30 minutes. How long does it take to be inactivated in 100℃ boiling water?

Answer: The virus can only survive in animals and cannot survive outside the body, so the items do not need to be cooked.

3. How long can the virus survive on everyday objects such as door handles and mobile phones after leaving the human body? If the virus leaves the body, will it die in the low temperature of minus 10 degrees Celsius in the north?

Answer: The virus is not transmitted through the digestive tract. Just touch the door handle or mobile phone and don't pick your nose or touch your eyes. The virus cannot survive outside the human body.

4. I have 84 disinfectant and alcohol at home. How should I use them?

Answer: 84 disinfectant and alcohol can kill most bacteria and other microorganisms, but viruses cannot survive outside the human body. It is actually meaningless to use 84 disinfectant, alcohol and other disinfectants to wipe the floor and objects.

5. Can this virus infect cats and dogs?

Answer: None found so far.

6. In addition to wearing a mask when going out, should you wear disposable gloves?

Answer: No, it is not necessary. Wear gloves if you are afraid of cold. Washing hands is more important.

7. If you go out, can wearing a few more ordinary medical masks sold in pharmacies improve the protective effect?

Answer: No. A single floor is sufficient for outdoor activities.

8. How far is safe when talking to strangers? If you don’t talk to strangers, can you get infected by just passing by them on the street?

Answer: Distance is one thing, but the important thing is not to sneeze or cough towards people.

9. Can I eat raw vegetables? For example, salad.

Answer: The new coronavirus is not transmitted through the digestive tract, so you can eat salad.

10. I hardly go out and there are no cases nearby. Can I wear an ordinary disposable mask?

A: Yes.

11.Are there any symptoms during the incubation period? Is the incubation period highly contagious?

Answer: The shortest is 1-2 days, the longest is 10~12 days, and the average is 7 days. Medical observation is 14 days. It is contagious to a certain extent during the incubation period. Patients are most contagious when they have a high fever.

12. How do the symptoms of COVID-19 infection differ from those of the common cold?

Answer: The main symptom of COVID-19 infection is fever. Local respiratory symptoms are usually not severe. Some people may experience severe breathing difficulties or systemic damage. These are the biggest differences from the common cold.

13. Is there any specific medicine at present?

A: Not at this time. The treatment principles are mainly symptomatic and supportive.

14.What are the characteristics of people who can heal themselves? What are the characteristics of people who died of serious illness?

Answer: Spontaneous healing is related to physical constitution, and most people who experience it are those with sound immune function. Most of those who died of serious illness were elderly people or those with underlying diseases.

15. Is it possible for patients who have been cured and discharged from hospital to be infected again? How should I care after recovery?

Answer: We currently think not, because we have antibodies. The specific method of rehabilitation depends on the patient's recovery condition.

16. Are common cold medicines or antibiotics effective against this virus?

Answer: Invalid.