The doctor said that the focus is not on wearing several layers or wearing N95 every day, but on the tightness of the mask and it can be worn all the time; the picture is a situational photo. (Picture taken from freepik)
[Health Channel/Comprehensive Report]Wuhan pneumonia (new coronavirus disease, COVID-19) Omicron variant is rampant. According to foreign media reports, surgical masks are not enough to resist Omicron. It is recommended to wear N95 masks to effectively fight the virus. Commander Chen Shizhong responded that N95 masks do fit better, but it is necessary to measure whether it is necessary to wear them in daily life. Doctors also believe that ordinary people can wear surgical masks in their daily lives, and only need to add a few skills to cooperate, and they do not necessarily need to use N95 masks.
Huang Xuan, a thoracic and critical care specialist, posted on Facebook “Dr. Ooi HeanThe article pointed out that multi-layer masks can be used to prevent the virus, that is, two layers of masks of different types, the inner layer is a medical mask, and the outer layer is a cloth mask. Close to the face, and wearing two layers of different types and different orders of masks can block as many viruses as N95 masks, and it is more durable than N95 masks. However, it should be noted that you need to wear a medical mask and a cloth cover. If you use it incorrectly, it will be invalid.
Huang Xuan further said that according to the guidelines issued by the US CDC, in addition to 2-layer masks, there are 2 ways to eliminate the virus for the public’s reference:
1. Tie a knot next to the mask:Tie the corners of the mask together around the ears, then put the mask on and flatten it to minimize side gaps and increase the fit of the medical mask. And according to the experiment, if both of them use it in this way to tie a knot on both sides of the medical mask, it can effectively reduce 95.9% of infectious aerosols.
2. Install the mask holder:On medical masks, “≥90%” infectious aerosols can be effectively reduced. In addition, the US CDC does not recommend using the same type of masks for both layers, such as medical masks + medical masks, or N95 masks + N95 masks.
Huang Xuan reminded that for people with low immunity and serious illness, 2-layer masks may indeed increase their defense, but it is easy to be stuffy. If the medical masks inside are wet and not replaced in time, it may affect the anti-virus effect and even breed more bacteria. Infect. At the same time, for patients with heart failure and chronic lung disease, it may affect breathing, because the two-layer mask is not only easy to be stuffy, and the airflow resistance will increase, but the respiratory function will be worse.
Huang Xuan emphasized that wearing multi-layer masks can effectively slow down the spread of the virus. It is recommended to wear two layers of masks of different types and sequences. But the point is not how many layers or wearing N95 every day, but the tightness of the mask and it can be worn all the time, so Omicron is here, the test is whether the mask is worn well, fully and tightly!
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