Fewer people wear face masks than during the Covid-19 pandemic ... KN95s and KF94s.) It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose ...

Boston.com readers said the pandemic remains an ever-present threat to public health, despite much of society having moved on ...

Onishi, a specialist in environmental epidemiology, tested numerous types of masks to ascertain which ones are effective in preventing infection from COVID-19. Non-woven masks which passed ...

This week marks five years since March 13, 2020, the day President Donald Trump declared a national state of emergency over the novel coronavirus ... wear cloth masks in public to slow the spread ...

Don’t forget the lessons learned: We need vaccines, masks and ventilation to prevent the next pandemic. The Lessons of the COVID, 5 Years On Five years ago, I was a long-distance runner with ...