Epidemiology
How to Judge COVID Risks and When to Wear a Mask
Scientific American asks experts in medicine, risk assessment and other fields how to balance the risks of COVID with the benefits of visiting public indoor spaces
Devabhaktuni Srikrishna is founder of Patient Knowhow, a Web site that aims to uncover reliable and easy-to-use information about disease prevention, transmission, causes and treatment. Follow him on Twitter @sri_srikrishna.
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