covid-19 vaccine prevention

AstraZeneca’s antibody cocktail failed to prevent COVID-19 symptoms in large trial

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globalnews.ca

AstraZeneca said on Tuesday a late-stage trial failed to provide evidence that its COVID-19 antibody therapy protected people who had contact with an infected person from the disease, a small setback in its efforts to find alternatives to vaccines.The study assessed whether the therapy, a cocktail of two types of antibodies, could prevent adults who had been exposed to the virus in the past eight days from developing COVID-19 symptoms.The therapy, AZD7442, was 33 per cent effective in reducing the risk of people developing symptoms compared with a placebo, but that result was not statistically significant — meaning it might have been due to chance and not the therapy.

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