Prognosis
Astra Delivers But Can’t Match Rivals. Here’s What We Know
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The pressure was on AstraZeneca Plc and the University of Oxford after stunning Covid-19 vaccine trial results from Pfizer Inc. and Moderna Inc., and the U.K. partners delivered, even if they couldn’t match the data from the two front-runners.
Scientists will now closely scrutinize the preliminary results. The report is significant because Astra and Oxford are taking a different approach from the one used by Pfizer and Moderna, and vaccine advocates say multiple shots will be needed to stop a contagion that’s killed almost 1.4 million people. Here’s what we know, and what the results could mean in the battle.