BREAKING: The first vaccine tested in the U.S. for the coronavirus boosted volunteers' immune systems as hoped, researchers report. Final study starts this month. https://t.co/NPeK5a4iBP— The Associated Press (@AP) July 14, 2020
BREAKING: The first vaccine tested in the U.S. for the coronavirus boosted volunteers' immune systems as hoped, researchers report. Final study starts this month. https://t.co/NPeK5a4iBP