PARIS, France (AFP) — A 90-year-old woman who died after falling ill with Covid-19 was infected with both the Alpha and Beta variants of the coronavirus at the same time, researchers in Belgium said Sunday, adding that the rare phenomenon may be underestimated. The unvaccinated woman, who lived alone and received at-home nursing care, was admitted to the OLV Hospital in the Belgian city of Aalst after a spate of falls in March and tested […]