We Need Better Masks

With 21 U.S. states experiencing a rise in Covid-19 cases just weeks after reopening, it’s clear that maintaining control of the pandemic without lockdowns is proving to be a challenge. To not only stay open but also really revive the economy — to get people back to work, traveling, attending sporting events, eating at restaurants, and so on — they will need to feel confident that they and their loved ones are at low risk of getting infected.

Testing remains an order of magnitude short of what is needed, and a vaccine won’t be available until at least early next year. But we could potentially achieve control and confidence now if better masks were available for the general public that are more protective than the cloth ones worn now and closer in caliber to the N95 and high-filtration surgical masks used by health workers...

https://hbr.org/2020/06/we-need-better-masks