Health officials nix publication of study on Covid vaccine effectiveness

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 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.

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A U.S. Department of Health and Human Services spokesman on Wednesday confirmed the decision to halt publication, citing a dispute about the study’s methodology.

The research paper was originally set to appear in Morbidity and Mortality Weekly Report (MMWR), the Centers for Disease Control and Prevention’s flagship publication, on March 19. It had already had undergone scientific review and the publication's editors had approved it, current and former CDC employees said.