Whether more people should wear masks has become one of the fiercest debates of the coronavirus pandemic. New data about how the virus spreads may be tipping the scales.
Public health officials consulted by BuzzFeed News declined to criticize the CDC’s decision-making on masks, saying it was appropriate based on what we knew about the coronavirus at the time. But now that our understanding of the spread has shifted, they said, so too should our guidance on masks.
If those sick people self-isolate, or at least stay six feet away from others, and wear a mask to cut down on the germs they are spewing, they would cut down on their chances of infecting others.suggests that some percentage of people who test positive for the virus never display any symptoms, but are likely to still be capable of spreading the disease . In the cases of people who do develop symptoms, they can be contagious for a few days before that happens,.
There’s at least one case where local officials are considering the possibility of airborne spread, at a choir recital in Washington state. No one was visibly ill at the event, but afterwards at leastNot all masks offer equal protection. In the coronavirus outbreak, the CDC is only recommending people wear such masks when caring for COVID-19 patients “as a last resort.” But this may change, and some public officials are already recommending the general public wear such masks.N95 respirators are considered the gold standard for those on the frontlines. When worn properly — securely fitted to a wearer’s face — they offer protection from about 95% of small particles and large droplets.
Consequently, the discussions over changing the CDC’s mask guidance are about whether most people should start wearing home-made fabric masks, which may offer some protection against large droplets but don’t protect against small particles in the air. Not considered official “personal protective equipment”
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