WHO updates guidelines to encourage the wearing of masks in closed and crowded environments

WHO on the 5th updated the use of masks guidelines, indicating that governments should encourage the public to wear masks in closed and crowded environments such as public transport and shopsWHO Director-General Tandese said at a regular press conference at WHO headquarters in Geneva on the same day that the guidelines were updated in three main areas: First, if there is widespread community transmission, WHO recommends that all medical staff in hospital areas should wear medical masks, not just access tonew crown pneumoniapatients wear medical masks, which means that doctors should wear medical masks even in the absence of new pneumonia patients in the hospitalSecond, who recommends that people over the age of 60 or people with underlying diseases wear medical masks in an environment where it is difficult to maintain a social distanceThird, where widespread community transmission and difficulty maintaining social distances, such as public transport, shops or other closed and crowded environments, WHO recommends that governments encourage the public to wear masksat the same time, the updated guidelines, based on the latest academic research, recommend that non-medical masks have at least three layers, and each layer of sewn fabric secavenged in detail, the guide also includes how to safely remove, clean, save the mask, warning that if you do not wash your hands to adjust the mask, or do not wash hands in the middle to repeatedly remove the mask, may increase the risk ofinfectionthe new virusdespite a series of instructions on how to use the mask, Tan desai and WHO experts at a press conference on the 5th stressed several times that the mask alone does not guarantee that everyone is "safe and sound", but will create the illusion that the public will not wash hands or maintain social distance, masks can only work when combined with other prevention and control measures;source: China News Agency