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AstraZeneca may have given outdated vaccine data, U.S. agency says

A woman receives an AstraZeneca COVID-19 vaccine at the Museum of Science and Technology in Milan on Monday. | ALESSANDRO GRASSANI / THE NEW YORK TIMES

Bloomberg

Mar 23, 2021

AstraZeneca PLC may have released outdated information about its COVID-19 vaccine trial, giving an "incomplete” view of the efficacy of the shot, said the leading U.S. agency on infectious disease.

The Data and Safety Monitoring Board, charged with ensuring the safety and accuracy of AstraZeneca’s vaccine trial, has expressed concerns to the National Institute for Allergy and Infectious Diseases that the information released about the testing results included outdated information.

This "may have provided an incomplete view of the efficacy data,” the agency said in a statement early Tuesday, without elaborating.

AstraZeneca may have given outdated vaccine data, U.S. agency says

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