COVID-19's prevention and control of three defenses refers to which three defenses?

COVID-19's three defenses refer to civil air defense, technical defense and weapon defense.

Prevention and control strategies:

(1) Internal and external defense. Implement infection prevention and control measures based on "early detection, early reporting, early isolation and early treatment" and "close the entrance" of personnel, vehicles and materials in medical institutions.

Check the body temperature of people entering medical institutions, show their health (travel) codes, and check the wearing of masks. Do a good job in health monitoring of inpatients and caregivers, and find and deal with suspected symptoms of COVID-19 infection in time.

(2) Both doctors and patients should take precautions. All staff of medical institutions, patients and their accompanying personnel should do personal protection, and on the basis of strictly implementing standard preventive measures, take additional preventive measures according to the route of disease transmission to avoid cross-infection.

(3) People should guard against each other. It is necessary to do a good job in the protection of both doctors and patients and the early warning of infection risks, and strengthen the prevention and control of risks such as environment, articles and foreign bodies in medical institutions. Implement cleaning and disinfection measures for the environment and the surface of objects, and strengthen the cleaning and disinfection of the environment after contact with key departments and key people. Strengthen the management of foreign personnel and articles, and conduct environmental inspection when necessary.

Precautions for returning to work during the epidemic:

1. Always wearing a mask.

Always wear a mask in public places. Don't feel lucky or troublesome. When passing through public places and taking public transportation, don't take off your mask casually.

2. Keep your distance from others.

No matter where you are, you should keep a certain distance from others, preferably 1 meter or more, especially in public places, and keep a sufficient distance from strangers. This can prevent other people's droplets from splashing on you or floating around you as much as possible, thus minimizing the risk of infection.

3. Go home or go back to the office to change clothes.

The first thing to do when you enter the door is to change the clothes you wear outside at once. If possible, it can be disinfected by the door. In addition, if office space is available, it is recommended to change clothes.