coronavirus mutation has created a "pandemic within a pandemic", experts have warned.Striking a gloomy tone, Dr Adam Kucharski, an epidemiologist at the London School of Hygiene and Tropical Medicine, warned that this wave of cases was far worse than that during the first spike of March and April last year.He also warned that the public aren't taking the virus as seriously as last year which, combined with the far greater transmission rate of the new variant, was creating a devastating mix.Speaking on BBC Radio 4's Today, he said: "The early signals we're seeing are suggesting that there is probably less movement in the population than there was in November but perhaps slightly more than there was in April, and obviously that's concerning
