Millions of people across the world have been infected with SARS-CoV-2, the virus that causes COVID-19. Countries are also now embarking on massive vaccination campaigns to control
The severity of COVID-19 can vary hugely. In some it causes no symptoms at all and in others it’s life threatening, with some people particularly
SARS-CoV-2 – the virus that causes Covid-19 – belongs to the family of betacoronaviruses that cause everything from the common cold to Mers (which kills
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