In the past two days, a picture of "How to deal with used masks" has been circulating on the Internet. It reads, "Used masks are covered with bacteria and viruses. It is recommended not to discard them at will", and even worry about being recycled with ulterior motives Use it, and give a solution to "scald it with boiling water, burn it at a fixed point, cut it into pieces and throw it away". Is such a solution completely reliable? Zhang Yucheng, a Shanghai disease control expert, posted a detailed explanation today (25th). It is true that used masks may carry a large number of microorganisms, such as viruses, oral bacteria, etc. These microorganisms may not only originate from the outside world, and be adsorbed on the outer surface of the mask through inhalation, but also may be adsorbed on the inner surface of the mask through exhalation because the user himself carries bacteria and viruses. Therefore, used masks may have a great risk of infection. When you take off the mask, there are several precautions: do not touch the outer surface of the mask, because you may infect yourself: do not touch the inner surface of the mask (you are a patient), because you may infect others: do not touch others Used masks, because they may be cross-infected: Do not put them directly in bags, pockets, etc., because there may be a risk of persistent infection. 1. Is it feasible to scald the used mask with boiling water? Disease control experts: not recommended High temperature is indeed a way of disinfection, such as boiling, and it is simple and easy to operate. However, when using boiling water to scald the mask, the mask must be placed on the container or countertop, which cannot avoid contamination of the container or countertop; secondly, scalding with boiling water cannot meet the continuous high temperature required for disinfection, and the time is not enough, and it may only be able to kill some pathogens . Therefore, boiling water treatment is not recommended. 2. What about burning? Disease control experts: not recommended Similarly, the principle of incineration is also high temperature disinfection. However, incineration will pollute the environment first, and secondly, it will cause safety hazards, and thirdly, there is no such fixed location. Therefore, unless you are in a rural area, personal incineration is not recommended.
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