[Omicron/Two masks/Yuan Guoyong/K Kwong] Yuan Guoyong, a government expert consultant and chair professor of the Department of Microbiology of the University of Hong Kong, suggested yesterday (January 12) that citizens should consider wearing two masks, which has attracted criticism from many netizens.
K Kwong, a Ph.D. in chemistry, took a video on Facebook, agreeing that two masks are more protective than wearing one, and said, "If the frog at the bottom of the well doesn't know it, he thinks everyone doesn't know it."
And Yuan Guoyong added on the radio program this morning (January 13) that it is not recommended for everyone to wear two masks. If they are chronically ill, cannot get vaccinated, and work in airports or sealed places, they should only consider wearing two masks. Facial mask.
Yuan Guoyong continued to wear his signature duckbill mask.
(Photo by O Jiale)
Yuan Guoyong's remarks about "wearing two masks" aroused criticism yesterday morning, questioning whether there is any scientific basis, "too Crazy", "It's too tiring to wear one mask, should I wear two more?" K Kwong, Ph.D. in chemistry In a Facebook video, he pointed out that foreign countries have been studying the protective power of wearing two masks, "wearing two masks is more useful than one."
Dr. Kwong explained that 10% to 20% of the side of the mask that is worn every day will leak air. Wearing a second mask can tighten the first mask, making the first mask more close to the face and preventing air leakage. Therefore, the protective performance is also higher than wearing a mask. "From this difference, you will feel that what Professor Yuan said is not fake."
He also emphasized in the post that "two masks are useful", and believed that "the frog at the bottom of the well doesn't know it, it thinks that everyone doesn't know it."
And Yuan Guoyong responded on the radio program this morning to wear two masks. It is not recommended for everyone to wear two masks. For example, if you are a long-term patient, cannot get vaccinated, and work in an airport or a sealed place, you should consider wearing two masks. .
Yuan Guoyong reiterated that the mutated virus Omicron of the new coronary pneumonia is highly infectious. Although the N95 mask has higher protection, it will be more difficult to wear, and there are not many in Hong Kong. Surgical masks usually have vacancies that are not very close to the surface, so it is recommended for the public to add an additional one Cloth masks make surgical masks more close-fitting, and there is no need to wear two surgical masks at the same time, which leads to waste.
Gaying on the same scene: Yuan Guoyong's clothes have not changed for 17 years, there is a reason for wearing the same shirt every day Netizens: The protagonist does not change his shirt
Yuan Guoyong's clothes have not changed for 17 years. There is a reason for wearing the same shirt every day. Netizens: The protagonist does not change his shirt
Click the picture below to see Yuan Guoyong's 17-year clothing evolution history▼▼▼
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