N95 masks are still needed as America reopens and Covid-19 cases surge - Vox

In the early weeks of the pandemic, it was nearly impossible to buy N95 masks. These masks, unlike surgical masks or cloth masks, are tight-fitting and filter airborne particles that can carry the virus, making them a key source of protection for health care workers, some of whom have died after being exposed to Covid-19 at their medical facilities. Now, as the United States continues to reopen and the number cases and hospitalizations surge, that troubling shortage of personal protective equipment — and especially N95 masks — is once again a problem. ....
https://www.vox.com/recode/2020/7/10/21319960/n95-masks-shortage-trump-supply-chain