50 people ordered to leave housing block in Hong Kong after pipes at infected woman’s flat suspected of transmitting coronavirus to families below

Health authorities on Friday partially evacuated a public housing block in Tuen Mun, Hong Kong, after four residents tested positive for Covid-19, and an expert determined that the virus likely was transmitted via the building’s pipes.  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...