Independent headline: Covid warning over symptom of new strain that affects sufferers at night
Subheadline: ‘Isn’t that strange?’ scientist says as he shares different disease caused by BA.5
An immunologist has warned the new strain of Covid-19 could be causing different symptoms – including one that emerges during the night.
Omicron BA.5 is a highly-contagious subvariant prompting concern as it contributes to a fresh wave of infections across the globe, including the UK.
Scientists have been finding differences with previous strains, including the ability to reinfect people within weeks of having Covid.