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CDC Report on Vaccine Efficacy Blocked Amid Controversy

4/22/2026

Summary

Story summary

A Department of Health and Human Services statement says a report on Covid-19 vaccine efficacy was blocked from publication in CDC's Morbidity and Mortality Weekly Report.
The Washington Post reported the study reduced emergency visits and hospitalizations by about half last winter.
Under Health Secretary Robert F. Kennedy Jr., a panel of vaccine advisers limited Covid-19 shot recommendations.
Pfizer and BioNTech halted a large updated-vaccine trial due to low enrollment.

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Story summary

A Department of Health and Human Services statement says a report on Covid-19 vaccine efficacy was blocked from publication in CDC's Morbidity and Mortality Weekly Report.
The Washington Post reported the study reduced emergency visits and hospitalizations by about half last winter.
Under Health Secretary Robert F. Kennedy Jr., a panel of vaccine advisers limited Covid-19 shot recommendations.
Pfizer and BioNTech halted a large updated-vaccine trial due to low enrollment.