FILE - This photo provided by Eli Lilly shows the drug Bamlanivimab, the first antibody drug to help the immune system fight COVID-19. Antibodies are made by the immune system to fight the virus but it can take several weeks after infection for the best ones to form. This and a Regeneron medication aim to help right away, by supplying concentrated doses of one or two antibodies that worked best in lab tests. (Courtesy of Eli Lilly via AP)
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