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The main changes, particularly in areas of community or collective transmission, are the wider use of masks in health facilities and the specifications on the use of non-medical masks for the general public. The previous update of the WHO recommendations on the use of masks dated June 5.
WHO continues to advise that anyone suspected or confirmed to have contracted COVID-19, or who is awaiting test results, should wear a surgical mask when in the presence of other people, and this does not apply to anyone waiting. results to be able to travel. In all other cases, the WHO suggests that the general public wear non-surgical masks.
How to make a mask at home?
In areas of known or suspected transmission of the new coronavirus, “the WHO recommends that everyone wear a mask, indoors or outdoors, where physical distance of at least one meter cannot be maintained,” the new recommendations suggest.
In health facilities, all the people inside must follow this rule.
Hospitalized patients should wear a mask when physical distance cannot be maintained or when they are outside their treatment areas.
The WHO advises that in confined spaces with multiple people, everyone “should wear a mask, unless ventilation is deemed adequate.”
In the case of receiving home visits, “people should wear a mask when receiving visitors if they cannot keep their distance or assess whether the ventilation is good,” the document states.
The WHO also recommends that people not wear masks during vigorous physical activities because they “can reduce the ability to breathe comfortably.”
In this case, “the most important preventive measure is to maintain a physical distance of at least one meter and ensure good ventilation during exercises”, accompanied by adequate cleaning and disinfection of the environment.
Another novelty
Another novelty is the fact that the WHO advises against the production and use of masks with expiration valves because “they circumvent the filtering function of the cloth mask.”
Also in the health field, the exhalation valves of respirators are discouraged, “since they ignore the function of filtering exhaled air”, the document explains.
The WHO warns that “masks should be used as part of a comprehensive package of measures that help reduce the spread of COVID-19”, because “a mask alone, even when used correctly, is insufficient to provide adequate protection”, informs the document.
The COVID-19 pandemic has already claimed at least 1,468,873 deaths in more than 63.2 million cases of infection worldwide, according to a report by the French agency AFP.
The disease is transmitted by a new coronavirus detected in late December 2019 in Wuhan, a city in central China.
