Washington Post: Two coronavirus vaccines begin the last phase of testing: 30,000-person trials

Washington Post: Two coronavirus vaccines begin the last phase of testing: 30,000-person trials. “At 6:45 a.m. Monday, a volunteer in Savannah, Ga., received a shot in the arm and became the first participant in a massive human experiment that will test the effectiveness of an experimental coronavirus vaccine candidate. The vaccine is being developed by the biotechnology company Moderna in collaboration with the National Institutes of Health.”