Face mask effectiveness: What we know now 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.

Given the big uptick in COVID-19 cases, questions about masking are surfacing right now. Here's what doctors recommend, including whether you can keep using your old masks.

A man wears an American flag face mask on July 19, 2021, on a street in Hollywood, California. An uptick in cases has prompted concerns that mask mandates could be reintroduced. Robyn Beck/AFP ...

Jamie Lee Curtis has been blasted for urging her fans to mask up amid a dramatic spike in COVID cases. The "Halloween" star, 64, took to Instagram Wednesday to share a selfie that showed her ...

A familiar pandemic-era safety measure is making a comeback as new COVID-19 variants surface and cases of the disease flare in some parts of the U.S.: Mask mandates. The number of COVID-19 cases ...

As Covid-19 and influenza-related hospitalizations have continued to rise, hospitals in California, Illinois, Massachusetts, North Carolina, Pennsylvania, Washington and Wisconsin have ...

COVID Face Masks Didn't Stop Infections After First Omicron Wave—Report Published May 15, 2024 at 2:00 PM EDT Updated May 17, 2024 at 5:14 AM EDT By Pandora Dewan ...

The U.S. Centers for Disease Control and Prevention says those exposed to individuals with COVID-19 should begin wearing a face mask immediately, regardless of vaccination status.

A late-summer surge in COVID-19 cases has reignited the debate over mandatory face masks. How Biden responds could influence the 2024 election.