International experts ratchet pressure on China to probe the Covid lab leak theory as they condemn the WHO's investigation, writes IAN BIRRELL – News Break

Leading infectious disease experts have condemned the World Health Organisation for its failure to properly investigate whether Covid-19 leaked from a laboratory. In a highly significant move, 18 scientists from the world’s top universities, including Cambridge, Harvard and Yale, have demanded further investigations into the origins of the pandemic. ‘Theories of accidental release from a lab and zoonotic spillover [from animals to humans] both remain viable,’ they wrote in a letter to the journal Science. ‘More investigation is needed to determine the origin of the pandemic. Knowing how Covid-19 emerged is critical for informing global strategies to mitigate the risk…