AstraZeneca Plc’s antibody cocktail was effective at preventing people with mild or moderate Covid-19 infection from worsening in a study that bolsters the drugmaker’s ambitions for the product.
The cocktail halved the risk of developing severe illness or death compared with a placebo in 822 participants who had been symptomatic for a week or less and weren’t hospitalized, Astra said in a statement Monday.
The results are another boon for the injected product after it was also found to be highly effective at preventing symptomatic disease in high-risk people. The news comes after Merck & Co. fueled optimism that it will soon

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