A potential COVID-19 vaccine produced by AstraZeneca was one of two being tested in Chicago, but now, the company has put a temporary hold on its large-scale Phase III trial.
A potential COVID-19 vaccine produced by AstraZeneca was one of two being tested in Chicago, but now, the company has put a temporary hold on its large-scale Phase III trial.
(Part 1 of 2. Originally aired September 3, 2020) Actor Chadwick Boseman's death from colon cancer has highlighted both the need..