News at a glance: Relaxed U.S. mask guidance, kids’ COVID-19 vaccine, and Facebook’s ‘F’ on climate misinformation | Science

COVID-19 CDC relaxes guidance on wearing masks in public The often-acrimonious U.S. debate over wearing masks entered a new phase last week when the Centers for Disease Control and Prevention (CDC) loosened its guidance and suggested about 70% of the population could jettison them. The turnabout comes as the Omicron wave ebbs and scientists consider … Read more

Western Australia: Is it time for the state to open up and let covid-19 in?

Western Australia, which has remained largely covid-free, has cancelled its border reopening due to omicron fears, but there may be little to gain by holding out longer Health 21 January 2022 By Alice Klein Women wearing face masks in Perth, Australia Matt Jelonek/Getty Images Western Australia, which has mostly dodged the coronavirus by sealing itself … Read more

It’s Time to Upgrade Your Mask, Experts Say. Here’s Why

With the rapid spread of Omicron, many countries are rethinking their COVID mask advice for the community. Respirators have been mandatory in public places in Austria for a year. Now, the United States Centers for Disease Control and Prevention suggests respirators be considered for greater protection, for instance, on public transport or in enclosed crowded … Read more

New Sensor Tells You How Well Your Mask Is Working

Researchers have developed a lightweight, reusable sensor that clips onto a mask to monitor how well it’s working. The device, called FaceBit, senses leaks and records wear time while continuously measuring a wearer’s heart and breathing rate. Its developers hope it will aid research and help health care workers and others who wear face coverings … Read more

The Same N95 Mask Can Be Decontaminated at Least 25 Times, New Study Indicates

With the enhanced virulence of the Omicron variant, some experts are urging us all to upgrade cloth and surgical masks to the much more protective N95s, but supply remains a concern. The limited supply is why this advice has so far been held back, but a new study may make this more feasible – suggesting … Read more