Coronavirus: AstraZeneca to run fresh vaccine trial after issues with current test

AstraZeneca is likely to conduct an additional global trial to assess the efficacy of its Covid-19 vaccine, according to the company’s chief executive officer, after current studies raised questions over its level of protection.The new trial would be run instead of adding an arm to an ongoing US trial and would evaluate a lower dosage that performed better than a full amount in Astra’s studies. The company’s acknowledgement that the lower level was given in error fuelled concerns.“Now that we…

Read the original article at South China Morning Post