U.S. COVID vaccine program faces setback with J&J jab, as experts say there is no cause for alarm
April 13, 2021 at 11:01 AM EDT
The U.S. COVID-19 vaccine program was facing a setback Tuesday, when the nation's two leading health agencies recommended a pause in the use of the Johnson & Johnson vaccine to allow their scientists investigate six cases of blood clotting in individuals who had been vaccinated.
