U.S. health officials have stopped the publication of a study on whether the COVID-19 vaccine was keeping adults from becoming sick enough to have to go to the hospital. A U.S. Department of Health and Human Services spokesman on Wednesday confirmed the decision to halt publication, citing a dispute about…

U.S. health officials stopped the publication of a study on whether the COVID-19 vaccine was keeping adults from becoming sick enough to have to go to the hospital.

U.S. health officials have stopped the publication of a study on the COVID-19 vaccine's effectiveness in preventing hospitalizations.