COVID-19 Vaccine Candidate Heads To Widespread Testing In U.S.
The COVID-19 vaccine candidate made by the U.S. biotech company Moderna and developed in collaboration with the National Institutes of Health starts its final phase of testing this week. This phase is called Phase 3 efficacy testing, and it is designed to see if the vaccine actually prevents disease. Up to 30,000 volunteers will be assigned to one of two groups. One group will receive two injections spaced approximately 28 […]