The CDC is moving too slowly in updating its advice to comport with the scientific evidence.
By Scott Gottlieb. Excerpts:
"Consider a well-known study conducted in China last spring. Researchers traced 318 outbreaks to figure out the chains of transmission. In only one of 318 outbreaks did the initial cases come from contact while outside. The rest originated inside homes or on mass transit.
Another study found that the risk of transmission indoors was about 19 times as high as in open-air environments. Yet the CDC’s guidance says only that “masks may not be necessary when you are outside by yourself away from others.” Another CDC document advises people outside to “stay at least 6 feet apart from people who don’t live with you” and “limit your time around others.”"
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