AstraZeneca COVID-19 vaccine trial underway in the U.S.

World Today

 

This week’s Moderna rollout means there are now two vaccines available to protect people from COVID-19. Several other vaccines could get the green light in the next few months, including one that was once a leading candidate, but ran into problems earlier this year. CGTN’s Hendrik Sybrandy reports from the U.S. state of Colorado where a trial for this vaccine is underway.