The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...

1. What changed in the CDC guidelines? The CDC currently recommends that you “wear the most protective mask you can that fits well and that you will wear consistently.” The question, then, is what ...

Masks are the most visible reminders that we are still in a pandemic, and the debate over their use and other public health measures has been present since March 2020, largely along partisan lines.

We have heard so many interpretations of research on the value of masks, that another may be unwelcome. A comprehensive review of the evidence from the prestigious UK based Cochrane Collaborative ...

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 ...