France: Breton coronavirus variant B.1.616 – “A new Sars-Cov-2 variant poorly detected by RT-PCR on nasopharyngeal samples, with high lethality”

We report a nosocomial outbreak of COVID-19 cases related to a new variant, B.1.616, characterized by poor detection by RT-PCR tests on nasopharyngeal samples despite typical clinical, radiological, and biological features of COVID-19.   More...

CDC: SARS-CoV-2 Coronavirus Variant Classifications and Definitions including Variant of Interest (VOI), Variant of Concern (VOC) & Variant of High Consequence (VOHC)

Variant of High Consequence (VOHC): A variant of high consequence has clear evidence that prevention measures or medical countermeasures (MCMs) have significantly reduced effectiveness relative to previously circulating variants.  More...

CDC: Information about COVID-19 coronavirus vaccines for people with allergies

If you are allergic to an ingredient in a COVID-19 vaccine:  If you have had a severe allergic reaction or an immediate allergic reaction—even if it was not severe—to any ingredient in an mRNA COVID-19 vaccine, you should not get either of the currently available mRNA COVID-19 vaccines (Pfizer-BioNTech and Moderna).  More...

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