Michael Osterholm

Surgical and N95 masks sit on a table

Study comparing surgical masks to N95s stirs controversy

A study that finds surgical masks protect healthcare workers from COVID-19 just as well as N95s has drawn backlash from experts.

Frank Diamond Dec 1, 2022 7:00am

generic visual of COVID-19 vaccine booster shot

Experts search for a one-and-done, all-purpose COVID-19 vaccine

Oct 26, 2022 3:40pm

vaccine

Report: No Ebola vaccine leaves public health officials unprepared for another outbreak

Jan 17, 2017 11:51am