COVID 19 Tech

Delta variant’s wild spread raises fears, fresh scrutiny of CDC mask guidance

Enlarge / Masked and unmasked people make their way through Grand Central Market in Los Angeles, California, on June 29, 2021, as the World Health Organization (WHO) urges fully vaccinated people to continue wearing masks with the rapid spread of the delta variant. (credit: Getty | FREDERIC J. BROWN) The highly transmissible delta variant of […]

COVID 19 Tech

Once-dreaded Alpha variant is falling fast—Delta and Gamma take over

Enlarge / People line up outside Bridge Park Community Leisure Center to receive the COVID-19 vaccines in Brent, northwest London, June 19, 2021. A new wave of coronavirus infections is “definitely under way” in England due to the Delta variant first identified in India, a British government advisory scientist said Saturday. (credit: Getty | Xinhua […]