Covid-19: Isolation changes for NHS staff, and a hunt for the pandemic’s origin

Amid the misery of a pandemic that has claimed at least four million lives, the scientific search for its origins has itself become toxic. The search for Sars-Cov-2’s start was officially set in motion in 2020 by a World Health Organization investigative team. Questions over its conclusions have escalated into a heavily politicised feud. Now, 21 researchers – all seeking to understand how a virus that originated in bats transferred into humans – aim to “set the record straight” by publishing their summary of the scientific evidence about the pandemic’s beginning. You can read about their conclusions here.