U.S. Health Officials Question AstraZeneca Vaccine Trial Results March 23, 2021 Auto Bot AstraZeneca PLC, Clinical Trials, Coronavirus (2019-nCoV), Food and Drug Administration, National Institute of Allergy and Infectious Diseases, Oxford University, Vaccination and Immunization 0 According to federal officials, an independent panel of medical experts said the promising results announced by the company on Monday may have relied on “outdated information.”