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Re: Coronavirus
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Originally Posted by OLD BOY
Maybe people who are paranoid about others not wearing a mask should wear two masks.  |
Perhaps people who don’t seem to understand that masks mainly help prevent those already infected infecting others aren’t in the best position to be making "helpful" comments ?
Wearing a mask is mainly to help others, rather than yourself - is that why you have difficulty with it? 
From a study of studies earlier this year, from the National Academy of Sciences (USA).
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We have seen that the efficacy of public mask wearing is largely supported by epidemiological and ecological data, as well as models. This could be due to masks filtering virus from an infected wearer, or protecting the wearer from infectious people around them, or both
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Conclusion
Our review of the literature offers evidence in favor of widespread mask use as source control to reduce community transmission: Nonmedical masks use materials that obstruct particles of the necessary size; people are most infectious in the initial period postinfection, where it is common to have few or no symptoms (45, 46, 141); nonmedical masks have been effective in reducing transmission of respiratory viruses; and places and time periods where mask usage is required or widespread have shown substantially lower community transmission.
The available evidence suggests that near-universal adoption of nonmedical masks when out in public, in combination with complementary public health measures, could successfully reduce Re
to below 1, thereby reducing community spread if such measures are sustained. Economic analysis suggests that mask wearing mandates could add 1 trillion dollars to the US GDP (32, 34).
Models suggest that public mask wearing is most effective at reducing spread of the virus when compliance is high (39). We recommend that mask use requirements are implemented by governments, or, when governments do not, by organizations that provide public-facing services.
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Last edited by Hugh; 07-07-2021 at 18:58.
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