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 ...

The evidence that masks prevent transmission of COVID-19 is very strong and is as close to “settled” science as you can get. The best evidence comes from studies conducted before vaccines were ...

When a Department of Health and Senior Services study of mask mandates’ effectiveness in Missouri, commissioned by Gov. Mike Parson’s office but not disseminated beyond a small group of government ...

Eight-year-old Bobby Campbell wanted more than anything to go back to school in person this year. But he’s acutely aware of the importance of masks in reducing COVID’s spread, as his second grade ...