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The results of Mehra et al in The Lancet have had a considerable impact on public health practice and research, halted trials and caused considerable concern to participants and patients enrolled in randomised controlled trials (RCTs). This has led many researchers around the world to scrutinise in detail the publication and outline their concerns in this letter to Richard Horton, editor of The Lancet.

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Simple new method that measures viral clearance means antibody treatments for COVID and ‘flu can be quickly assessed for effectiveness, say MORU researchers

Measuring the rate of viral clearance from the back of the mouth in patients with mild infections can be used to determine quickly and inexpensively if an antibody is effective in future COVID-19, influenza and other respiratory virus pandemics, say researchers in a letter published today in The Lancet.