An N95 Is the Best Mask for Omicron. Here’s Why

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 masks. The U.S. Centers for Disease Control and Prevention’s (CDC) current mask guidance does not recommend one type of mask over another, instead specifying that … Read more

How We Can Spot the Next COVID-19 Variant Even Faster

In Durban, South Africa, scientists led by Dr. Tulio de Oliveira, director of the Centre for Epidemic Response and Innovation (CERI) at Stellenbosch University, were conducting routine genomic surveillance of SARS-CoV-2 from different regions when they noticed worrying variations in genomes clustered in Gauteng Province. They alerted their colleagues around the country and within their … Read more