The outbreak of COVID-19 has turned the mask into a shortage of medical supplies.

Wearing a mask has become the main way to prevent infection.

During the pandemic time, you may have doubts about masks, Hope our video can help you to find the answers you need:

1. Will face mask protect against coronavirus?

2. How face mask filter works?

3. Can face mask be used daily?

4. What kind of face mask should i use to prevent coronavirus or covid 19?

5. Should I use a face mask with valve or without valve?

6. Fabric mask VS medical mask VS surgical mask VS N95 mask.

First of all, let's talk about the types of masks.

Masks can be divided into four categories: fabric masks, medical masks, surgical masks and N95 masks.

1. Fabric masks are very common in the market, include cotton masks, non-woven masks, new material masks, activated carbon powder filter masks

It can be used to keep warm, prevent dust, block pollen, prevent allergy, and can be used repeatedly after cleaning, but it will reduce the effect after repeated use, and it is easy to breed bacteria. After wearing it, people can not reduce the risk of respiratory infectious diseases.

2. Medical mask is a kind of soft foldable mask

Medical masks have a filtering effect on pathogens, but the waterproof and particulate filtering efficiency are low, and protective effect is not good when it comes into close contact with patients, especially those with cough

3. Surgical masks are also soft foldable masks.

The protective efficacy is better , It can be used by the public for daily protection of most respiratory infectious diseases.

4. N95 mask.

The filtration efficiency of non-oily particles is more than 95%, that is, the so-called N95 mask.

What about the effect of their protection against coronavirus?

According to the effection of protection, the N95 mask is better than the surgical mask, the surgical mask is better than the medical mask, the medical mask is better than the fabric mask. N95 mask can effectively prevent the invasion of coronavirus, but if people is infected by coronavirus, they must use N95 masks without valves.

What kind of mask is the most suitable for us?

The general population can wear surgical masks,

if you need access to coronavirus patients you need wear N95 mask,

The best way to prevent this is to reduce social interaction.