Even if everyone followed this advice, it isn’t clear whether widespread use of face masks would have a significant impact on the spread of the virus.
Arizona had rapid spread of the virus . After they implemented mandatory mask order new cases dropped by 75%. doctors have been using masks for 100 years to protect themselves as well as patients. Face masks were widely used during the spanish flu pandemic and in many places mask were mandatory. The best ones blocking the virus are N95 and KN95 masks Many doctors and nurses have been using N95 masks since the start of the pandemic and many are still alive and working. despite being constantly exposed to the virus at work. While they are not100% effective the only thing better is a space suit.
Home portable HEPA filters can constantly filter out all types of viruses in the air.
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