Mask up! The best face masks for use against COVID-19 [Updated]

Finding masks that meet CDC and WHO guidelines is tough. We did the work for you.

Smiling eyes of a handsome young man in times of Covid 19

Enlarge (credit: Hello Africa / Getty)

With a new surge in COVID-19 cases looming and many people gearing up to travel for the holiday season, we've refreshed our face mask buying guide with updated recommendations and guidance.

This past March, we updated this face mask buying guide with the latest guidance from the Centers for Disease Control and Prevention (CDC), including new science on the increased effectiveness of double-masking. Vaccinations had just started rolling out, and we were on the precipice of what many hoped would be a "return to normal," only for the public to be swiftly reminded that SARS-CoV-2, the virus that causes COVID-19, continues to circulate, mutate, and claim lives.

The omicron variant is the latest variant of concern, following late-summer and early-winter surges in US COVID cases spurred by the highly contagious delta variant. Early studies of omicron indicate that it’s even more transmissible—and potentially more likely to cause breakthrough infections in vaccinated people. The Biden administration has released new plans to combat rising infections and the emergent omicron variant. Naturally, proper masking is key.

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Schnelle Webseiten: Google will AMP-Seiten nicht mehr bevorzugen

Die Schlagzeilen der Google-Suche sind künftig nicht mehr nur AMP-Seiten vorbehalten. Und der Suchmaschinenbetreiber beteiligt französische Verlage an Einnahmen. (Google, Suchmaschine)

Die Schlagzeilen der Google-Suche sind künftig nicht mehr nur AMP-Seiten vorbehalten. Und der Suchmaschinenbetreiber beteiligt französische Verlage an Einnahmen. (Google, Suchmaschine)

Challenge accepted: Inventing a plausible far-flung future for ST: Discovery S3

Ars chats with prop master Mario Moreira and science consultant Erin MacDonald.

Sonequa Martin-Green plays Michael Burnham in the third season of <em>Star Trek: Discovery</em>, which is set over 900 years in the future from the first two seasons.

Enlarge / Sonequa Martin-Green plays Michael Burnham in the third season of Star Trek: Discovery, which is set over 900 years in the future from the first two seasons. (credit: CBS All Access)

Star Trek: Discovery started out as a prequel to the original series, set roughly 10 years before Captain Kirk and his crew took over the USS Enterprise and boldly went where no man had gone before. But we're now in uncharted territory with ST: Disco S3, which rocketed the ship and her crew over 900 years into the future. That posed a considerable creative challenge to stay true to the ethos of the franchise while reimagining its future—a challenge facing not just the writers, but series prop master Mario Moreira and science consultant Erin MacDonald as well.

(Some spoilers for S2 and the first five episodes of S3 below.)

The series stars Sonequa Martin-Green as Michael Burnham, an orphaned human raised on the planet Vulcan by none other than Sarek (James Frain) and his human wife, Amanda Grayson (Mia Kirshner)—aka, Spock's (Ethan Peck) parents. So she is Spock's adoptive sister. As I've written previously, the S2 season-long arc involved the mysterious appearances of a "Red Angel" and a rogue Starfleet AI called Control that sought to wipe out all sentient life in the universe.

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