Coronavirus variants: How alpha, delta and omicron tormented us in 2021
A year ago, many were hoping the pandemic would soon be over – but then came alpha, delta and omicron Health 24 December 2021 By Michael Le Page A sign in Hounslow, London, in June 2021 James Veysey/Shutterstock What a year it has been. In December 2020, the first vaccination campaigns were just getting under … Read more