Extensive research reveals the CDC's weekly publication drew unsupported conclusions about mask effectiveness based on ...

When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus. Now, four years later, what does the science say? In ...

Experimental setup for exposing respirator test samples to alcoholic vapor (EtOH) emitted by an automatic hand sanitizer dispensing station via the release and use of gel hand sanitizer. Credit: DOI: ...