Will existing protection remain effective after the virus mutates?

  • Connexions
  • 2021-11-19
  • 1558

About masks, we are more enthusiastic about the choice of N95 or KN95 masks, then this KN95 mask really anti-virus?

First of all, it's safe to say that the KN95 mask is anti-virus. KN95 and N95 masks are similar, but one is a Chinese standard and the other is an American standard.

After the virus mutates, the transmission power is enhanced, mainly because the affinity between the virus and the receptor in the cell increases, the virus is easier to enter the cell, which may make the population more susceptible, but enough protection can still resist the virus. "Personal protection is certainly important and certainly useful. It is not because the infectivity is strong, wearing a mask is useless, but the risk of infection may be higher than the common virus. At present, the prevention and control of respiratory diseases still follow the original measures, wearing masks and washing hands frequently are the same, "even if the transmission force is strong, as long as everyone is well protected and wearing masks, no droplets will be transmitted to others".

Are China's prevention and control measures adequate in the face of the current global epidemic situation? Do centralized quarantine measures need to be strengthened? "The current measures are quite comprehensive, and the main point is to ensure that all links are appropriate to avoid loopholes. Although some cases in China have tested positive after an incubation period of two weeks, these are still a minority.Despite the stringent measures taken at home and abroad to prevent imported cases, the epidemic has spread around the world, and the flow of people and logistics has not been interrupted, especially the cold chain transport, which is more complicated. China must not let down its guard and take every step of prevention and control.

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