Month: December 2021

What We Know about Omicron CDC has been collaborating with global public health and industry partners to learn about Omicron, as we continue to monitor its course. We don’t yet know how easily it spreads, the severity of illness it causes, or how well available vaccines and medications work against it. Spread The Omicron variant...

December 6, 2021 This message includes updates on the COVID-19 response from CDC. The COVID-19 Outbreak is a rapidly evolving situation and information will be updated as it becomes available. Omicron Variant On November 26, 2021, the World Health Organization classified a new COVID-19 variant as a variant of concern and named it Omicron. As of December...