Why continue to insist on wearing a mask ?

Masks are an important line of defense against respiratory infectious diseases and can reduce the risk of COVID-19 infection. Masks not only prevent the patient from spraying droplets, reducing the amount and speed of droplets, but also block the virus-containing droplet nuclei and prevent the wearer from inhaling.

Even if had COVID-19 vaccination , continue to wear a mask as well !

For individuals, the protective effect of vaccination is not 100%, and it also need to take a certain period of time to produce protective antibodies; For social groups, the COVID-19 is still easy to spread before no immune barrier formed. Therefore, at this stage, some prevention and control measures are still a must, including wearing masks, keeping social distance, washing hands frequently, ventilation and other protective measures.

In public places, or confined spaces with poor ventilation , wearing a mask is recommended ! 

In places where air circulation is not good, such as closed transportation planes, high-speed trians, metros, buses, etc., and confined spaces where ventilation condition is poor,such as elevators , need to wear a mask.

When you go to the hospital or accompany with your relatives and friends to see a doctor, you must wear a mask in the hospital environment.

In addition, masks should be worn at public service windows, such as supermarket cashiers and bank counters.

when masks to be deformed, wet or dirty, you need to replace in time , which condition will lead to protective performance reduced.