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.
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.