COVID-19 Knowledge 60 Questions (2)

11. How should the public choose masks?

The public should choose masks from regular manufacturers with suitable protective levels according to the risk level and the environment in which they live. During the COVID-19 pandemic, it is not recommended to use fabric masks, and it is recommended that the public use disposable medical masks, medical surgical masks or above protective level masks. The use of valved N95 masks is prohibited in public.

12. How to wear a mask correctly?

The first is to choose a mask with the right size. Wash your hands with "soap/hand sanitizer + running water" or use hand sanitizer to clean your hands before wearing a mask.

The second is to distinguish between the inside and outside, in general, the colored side is sandwiched between the outer nose. If there is no color difference in the mask, it can be judged according to the folds of the mask, and the wrinkles are downward to the outside.

The third is to hang the two sides of the tie on both ears, and the mask covers the mouth, nose and jaw.

The fourth is to put the index finger of both hands on the nose clip, and press and move from the middle to both sides at the same time until it is close to the bridge of the nose.

13. Under what circumstances must the mask be replaced?

Masks used in the following situations should be replaced in a timely manner

Masks used in environments such as hospitals:

Masks worn when in close contact with people with symptoms such as fever and cough, patients with respiratory infectious diseases, suspected patients, or close contacts of patients;

Masks used on cross-regional public transport;

When the mask appears dirty, deformed, damaged, or smelly.

14. In general, how should I discard the masks I have used?

Masks used by healthy people can be disposed of as dry garbage. Please be careful not to throw it away and maintain environmental hygiene.

If you suspect that the mask may be contaminated, such as going to the hospital or contacting people with fever, cough and other symptoms, you can spray the mask with disinfectant, throw it into the garbage bag, tie the mouth of the bag and discard it.

15. If the mask needs to be reused, how should it be saved?

Masks that need to be reused can be placed in a clean, ventilated place to dry or placed separately in a clean and breathable paper bag.

It is worth noting that you can only reuse the masks you have worn, the masks must be stored separately, and the cumulative wearing time of each mask cannot exceed 8 hours.

16. What conditions do I need to wash my hands?

Handwashing is one of the easiest and most effective measures to prevent infectious diseases. Develop good handwashing habits, before touching susceptible areas, and after touching contaminated or potentially contaminated items. Specifically, it includes: returning from a trip, after contacting public facilities or items (such as handrails, door handles, elevator buttons, etc.), before wearing a mask and after removing the mask, after contact with tears, snot, sputum and saliva, after coughing and sneezing with your hands, after caring for a patient, before preparing food, before eating, after going to the toilet, holding the child, before feeding the child food, after handling baby feces, after contacting animals or handling animal feces, after contacting express parcels, after going to medical institutions, etc.

17. How to wash your hands properly?

First, under the flowing water, wet your hands. Take an appropriate amount of hand sanitizer or soap and apply evenly to the entire palm, back of your hand, fingers and finger slits. Scrub carefully for at least 20 seconds according to the seven-step handwashing method. The specific handwashing steps are as follows:

The first step (inside) wash the palms: palms facing each other, fingers together and rubbing each other.

The second step (outside) washes the dorsal side finger seams: the palms of the hands rub the backs of the hands along the finger seams, and the hands are exchanged.

The third step (clip) wash the palm side finger seam: the palms are opposite, and the hands are crossed along the finger seam and rubbed against each other

Step 4 (bow) Wash the back of the fingers: bend the knuckles of each finger, half-clench the fist, put the back of the finger in the palm of the other hand, rotate and rub, and exchange the hands.

Step 5 (Big) Thumb Washing: One hand holds the thumb of the other hand and rubs it, and the hands are exchanged.

Step 6 (Standing) Wash your fingertips: bend the knuckles of each finger, fold the fingertips together in the palm of the other hand, rotate and rub, and exchange your hands.

Step 7 (Wrist) Wrist Washing: Rub your wrists and exchange your hands.

Then rinse your hands thoroughly under running water, rinse the tap with water in your hand, turn it off, and dry your hands with a clean towel or paper towel to prevent your hands from getting contaminated again during the drying process.

Hand hygiene can be maintained with alcohol-based hand sanitizers when it is not convenient to wash your hands, but handwashing is still the main preventive measure on a daily basis.

18. What should I do when I cough or sneeze?

Droplets from coughing and sneezing can spread bacteria or viruses, which in turn can spread disease, and even if a healthy person sneezes or coughs, the droplets produced may carry bacteria or viruses.

When coughing or sneezing, try to avoid others, cover your mouth and nose with a tissue, and wash your hands in time after throwing the tissue into the trash can. If it is too late to prepare a tissue, bend your elbows as close to your face as possible to cover your nose and mouth to prevent droplets from splashing around.

19. Where must social distancing be taken?

Most respiratory infectious diseases are transmitted by droplets at close range, and maintaining social distancing can not only reduce the risk of respiratory infectious diseases such as new crown pneumonia, but also reflect civilized etiquette. Key situations where social distancing is required include:

Commercial places: shopping malls, supermarkets, hotels, vegetable markets, etc., when shopping and checkout.

Public places: banks, hospitals, etc., when waiting for nucleic acid testing, hospital waiting, vaccination queues.

Crowd distribution areas: subways, buses, airports, stations, docks, etc., when queuing for rides and waiting for trains.

Workplace: office, conference room, production workshop, etc.; canteen queues for meals, when eating in the same direction.

20. Why should I get the COVID-19 vaccine?

Vaccination is the most economical and effective means of preventing and controlling COVID-19. Vaccination against the new crown virus can not only effectively reduce the risk of infection and reduce the incidence of severe, critical and even death, but also build an immune barrier in the population for self-interest. Older people and people with underlying medical conditions are more in need of vaccinations.