Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in late December 2019 in Wuhan, China. The virus has since spread across the globe, evolving into the COVID-19 pandemic, crippling ...
Severe adverse reactions were reported after the AstraZeneca ChAdOx1-S-nCoV-19 vaccine (ChAd). This prompted the European health authorities to recommend the preferred second dose to be Pfizer ...