CDC Director Delays Release of Study Showing COVID Vaccine Effectiveness

12 articles · Updated · NBC News · Apr 10

The acting CDC director has delayed publication of a study showing COVID-19 vaccines halved severe illness and hospital visits among adults last winter.
Dr. Jay Bhattacharya cited concerns over the study's widely used 'test-negative' methodology, despite similar methods being accepted for flu vaccine studies.
The move has sparked alarm among public health experts, who warn it may signal increasing political interference in CDC scientific processes and vaccine policy.

As new COVID variants spread, why is crucial data on vaccine effectiveness being withheld from the public?

Can a scientific report blocked by the CDC still shape public health if published independently?

Why was a research method approved for a flu study but blocked for a COVID-19 study one week later?

If a standard scientific method is now in question, what does this imply for past vaccine studies?

Does this delay signal a new era of political review for all government scientific reports?

With doctors and the CDC at odds, who should parents trust for their children's health?