Mystery over spike in Covid deaths on hottest day of the year: Virus fatalities doubled in 40C heat

Official figures show 258 people in England died on July 19 within 28 days of testing positive for Covid – the same day the mercury hit 40.2C (104.4F).Official figures show 258 people in England died on July 19 within 28 days of testing positive for Covid – the same day the mercury hit 40.2C (104.4F).Read MoreHealth News | Mail Online