First case of thrombosis after AstraZeneca coronavirus vaccination reported in Mexico

According to Dr. Roberto Ovilla Martínez, head of hematology and bone marrow transplants at Hospital Ángeles Lomas, the patient Francisco Aguirre, an engineer by profession, is receiving treatment based on intravenous immunoglobulin that has helped to improve the condition.  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...