Knowledge Handbook of New Coronavirus Protection

Postdate: 2020-01-07

Symptoms of human infection with new coronavirus


● Mainly manifested by fever, fatigue, and dry cough

● Few patients have symptoms such as nasal congestion, runny nose, sore throat, and diarrhea

● Severe patients usually have dyspnea and / or hypoxemia one week after the onset of disease, and the severe ones quickly progress to acute respiratory distress syndrome, septic shock, difficult to correct metabolic acidosis, coagulation dysfunction and multiple organ failure .

● The disease is an acute infection, which usually worsens gradually during the first week

● Some patients only showed low fever, mild fatigue, and no symptoms of pneumonia. Most of them recovered after 1 week.

● In the course of severe and critically ill patients, there may be moderate to low fever, and there is even no obvious fever.

● It can be judged as fever if it exceeds 37.3 ℃ in a calm state.

● If the body temperature is lower than 38 ℃, it is recommended to isolate at home and closely observe the changes in symptoms. You can take drugs such as ibuprofen according to the instructions.

● If you feel serious about yourself, go to the medical unit for medical treatment first.

● If the temperature exceeds 38 ° C, go to the fever clinic.

● No obvious fever, but systemic soreness, abdominal pain and diarrhea, mild isolation, severe medical treatment.

● If there is fever and chest tightness and discomfort, you should remain vigilant and seek medical treatment as soon as possible.

●I have been in contact with suspicious patients but have not experienced any discomfort at present. It is recommended that the family be kept in isolation for 14 days to monitor body temperature changes.

● Close contacts stayed in a single room during home observation and refused all visits.

●When living at home, keep a regular life, take appropriate rest, and get enough sleep.

●You can choose exercises that you can do at home to reduce anxiety and maintain a good attitude.

●Reading can relieve stress and divert attention.

●The time for receiving information about the epidemic every day should be controlled within no more than one hour.

● Listening to relaxing and pleasant music such as classical music or light music can help maintain emotional stability.

● Disengagement and discharge standards: the body temperature returned to normal for more than 3 days, the respiratory symptoms improved significantly, and the nucleic acid test for respiratory pathogens was negative for two consecutive times (sampling interval at least 1 day).

If you have any of the following conditions, please seek medical treatment in time:

● Recent unexplained fever, fatigue, cough, etc.

● A history of close contact with confirmed patients two weeks before onset

● Cluster onset (two and more)


1. What to do on the way to work?

When going out, you should keep wearing disposable masks properly, try to use self-driving, and don't take public transportation.

If you cannot avoid using public transportation, please wear a mask all the time, and try to avoid touching the items on the vehicle with your hands during the journey.

2. How to get into the building?

Before entering the office building, please take the temperature measurement of the security guard consciously. The body temperature is normal and you can enter the building / workshop.

If the body temperature exceeds 37.3 degrees, please do not enter the building and notify the department head and administrative department as soon as possible to cooperate with the security to carry out related isolation inspections.

3. How to enter the office?

Try to keep working from home. If you have to go to the on-site office, you must keep the office environment clean and keep it ventilated at least three times a day for 20-30 minutes each time. Keep warm during ventilation. The office distance between people must be at least 2 meters, and close contact to discuss issues is strictly prohibited. Keep wearing the mask. Wash your hands properly and drink plenty of water. When receiving outsiders, make sure that both parties wear masks.

4. How do workplace sports work?

It is recommended to take appropriate moderate activities, such as personal rest exercises, to maintain good physical condition. Avoid reducing your immune system due to excessive exercise.

5. What about public areas?

Daily disinfection of public spaces such as halls, corridors, elevators, meeting rooms, tea rooms, toilets, etc., and spray disinfection as much as possible. Separate cleaning tools in each area as much as possible to avoid mixing.

6. What does a logistics person do?

All personnel must wear a mask when working and keep a safe distance of more than 2 meters from people. Cleaners should also wear disposable gloves when working. After the work, wash their hands and disinfect them, and put the used disposable gloves into a covered medical waste bin.

Security personnel must keep wearing masks properly, carefully inquire and register visitors, and report any abnormalities in a timely manner.

7. How to do a business visit?

Masks are required. When entering the building / workshop, it is necessary to cooperate with the security to measure the body temperature. Those with abnormal body temperature are not allowed to enter the building / workshop.

At the same time, it is necessary to explain whether there are symptoms such as fever / cough / poor breathing. Under normal conditions, you can enter the building / workshop.

8. How to circulate documents?

Wash your hands before and after you circulate paper documents. Wear a mask when circulating documents and keep a proper distance.

9. How does phone disinfection work?

The landline recommends wiping with 75% alcohol twice a day (once after work and once before work). If you use it frequently, you can wipe it a few times more.

10. How to do air conditioner disinfection?

1)When the fan coil unit of the central air-conditioning system is in normal use, the air supply / return air outlet should be disinfected regularly.

2)When the central air-conditioning fresh air system is in normal use, if an epidemic situation occurs, do not stop the fan operation. After the personnel has evacuated, the exhaust branch pipe should be closed. After running for a period of time, the fresh air exhaust system should be closed and disinfected.

3)For all air systems with return air, the return air should be completely closed to ensure the system's fresh air operation.

11. What about waste masks?

Protective supplies such as discarded masks and disposable gloves should be placed in a designated medical waste bin with a lid, and the waste bin should be disinfected with 75% alcohol twice a day.

12. What to do on the way to work?

Replace masks, throw discarded masks into designated bins with lids, wash hands, and replace with new disposable masks to go out. Keep a distance from other people on the road and try to avoid touching objects.

After returning home, wash your hands and sterilize after removing the mask. Wipe your phone and keys with a disinfectant wipe or 75% alcohol. Keep the room neat, warm, and airy, and avoid gatherings.

13. How to choose a mask in public places?

Useless: paper masks / cotton masks / sponge masks / activated carbon masks

To use: Medical housing masks (to a certain extent prevent respiratory infections / outer packaging indicates medical surgical masks);

N95 / KN95 masks (prevents droplets from patient's body fluids from reaching infection / filtration reaches 95% / try to choose without breathing valve

Note: It is recommended to replace it every 2-4 hours. Once it is contaminated, replace it immediately.