Vir Biotechnology Inc
In this undated image from video provided by Regeneron Pharmaceuticals on Friday, Oct. 2, 2020, vials are inspected at the company's facilities in New York state, for efforts on an experimental coronavirus antibody drug. Antibodies are proteins the body makes when an infection occurs; they attach to a virus and help the immune system eliminate it. (Regeneron via AP)
Antibody drugs are no cure but seem promising for COVID-19

By Marilynn Marchione And Matthew Perrone Oct. 08, 2020 01:07 PM EDT

In this May 2020 photo provided by Eli Lilly, researchers prepare cells to produce possible COVID-19 antibodies for testing in a laboratory in Indianapolis. Antibodies are proteins the body makes when an infection occurs; they attach to a virus and help it be eliminated. (David Morrison/Eli Lilly via AP)
Companies test antibody drugs to treat, prevent COVID-19

By Marilynn Marchione Aug. 12, 2020 09:51 AM EDT