If you google masks, you will stumble into dozens of news articles telling you that they are useless and you should not buy them. Is this a coordinated campaign to increase the probability that medical responders can stock up at Walmart, or just journalists copying each other?
Can you please point me to a scientific source (study) that shows that masks don’t help against infection?
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I can't.
@c_drosten says there is not enough evidence to support this for everyday situations. I just found this: https://doi.org/10.1186/1471-2458-7-208 … "poor training, improper use and, for N95 respirators, the need for fit-testing may compromise the overall effectiveness of these measures." -
"may compromise" is not the same as "don't help"? It actually helps a lot afaik https://www.ncbi.nlm.nih.gov/pubmed/30229968
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