Nation AstraZeneca antibody drug prevents COVID-19, company says; testing harder to find: Latest COVID-19 updates August 20, 2021August 20, 2021Elinor Aspegren and Christine Fernando, USA TODAYComments Off on AstraZeneca antibody drug prevents COVID-19, company says; testing harder to find: Latest COVID-19 updates AstraZeneca will seek regulatory approval for an antibody drug after a study showed it significantly reduces the risk of developing COVID-19 symptoms.