Five years before a vaccine can ‘hold the line’ against Covid variants, England’s medical chief says - Earth News Report
Covid vaccinator, Petra Moinar, prepares syringes with the AstraZeneca vaccine before it is administered at Battersea Arts Centre on March 8, 2021 in London, England.Chris J Ratcliffe | Getty Images News | Getty ImagesLONDON — England's top medical officer has warned that the coming winter will continue to be difficult for the country's health system
