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Sunday, 21 June 2020

Coronavirus: When to wear a mask and when you can skip it

The studies on masks aren’t perfectly definitive, but that’s typical of many issues involving health risks — from mercury contamination to cancer screenings. It’s still better to make decisions based on an incomplete body of evidence than to ignore evidence altogether.

from Hindustan Times - topnews https://ift.tt/3enSN7T
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