Cases of Covid-19 have risen sharply across the UK this month, driven largely by a variant of the virus known as ‘XFG’. Sometimes referred to as ‘Stratus’ and the ‘American strain’, owing to the fact ...

Here’s what the Centers for Disease Control and Prevention (CDC) says about the Delta variant, its symptoms, characteristics and other things to watch for: Viruses constantly change through mutation, ...

Nearly seven years after the outbreak of Covid-19 in late 2019, the virus continues to circulate widely and intensifies during the winter months - presenting particular dangers to vulnerable groups.

Cases of Covid-19 have risen sharply across the UK this month, driven largely by a variant of the virus known as ‘XFG’.