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US CDC will not publish report showing COVID vaccine effectiveness

By Christy Santhosh
April 22, 20265:15 AM EDTUpdated 1 hour ago

April 22 (Reuters) - A report showing the efficacy of COVID-19 vaccines has been ​blocked from being published in the U.S. Centers for Disease Control ‌and Prevention's flagship scientific journal, a spokesperson from the Department of Health and Human Services said on Wednesday.

"Scientific reports are routinely reviewed at multiple levels to ensure they ​meet the highest standards before publication," said HHS spokesperson Andrew Nixon.

He ​added that there were concerns about the "methodological approach estimating vaccine ⁠effectiveness" and so "the manuscript was not accepted for publication," in the CDC's ​Morbidity and Mortality Weekly Report (MMWR).

MMWR is one of the agency's main vehicles for ​publishing public-health findings and guidance, and its reports are closely watched by doctors, researchers and state health officials.

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