The Covid-19 vaccine significantly reduced emergency room visits and hospitalizations this past winter—but the public health agency under Robert F. Kennedy Jr.’s Department of Health and Human Services (HHS) blocked the publication of a report on its efficacy.

According to The Washington Post, the public health agency blocked the study from publication in its flagship scientific journal. The decision follows earlier delays by Acting CDC Director Jay Bhattacharya, who questioned the researchers’ methodology despite its alignment with standards used by New England Journal of Medicine, JAMA Network Open, The Lancet, and Pediatrics.

The report’s publication was nixed entirely in recent days, per the Post’s reporting.

HHS Leadership Under Kennedy: A Shift Toward Vaccine Skepticism

This suppression reflects a broader trend under Kennedy’s leadership, where anti-vaccine ideology appears to be influencing federal health policies. During his confirmation hearings last year, Kennedy stated,

“I believe vaccines have a critical role in health care; all of my kids are vaccinated. In my advocacy I have often disturbed the status quo by asking uncomfortable questions, and I’m not going to apologize for that.”

Yet Kennedy has emerged as a leader in the anti-vaccine movement, which includes parents who refuse to vaccinate their children despite the proven benefits of public health immunizations. His stance is rooted in thoroughly debunked conspiracy theories, including the long-discredited claim that vaccines cause autism—a myth debunked by over 60 studies, including one that surveyed 660,000 children over 11 years.

Kennedy’s Record: Controversies and Consequences

Since assuming leadership at HHS, Kennedy has reshaped the CDC’s vaccine advisory panel, replacing independent medical experts with vaccine skeptics. He publicly opposed the MMR vaccine during Texas’s 2019 measles outbreak, instead recommending vitamin A for infected patients. In January, he unilaterally overhauled the child vaccination schedule without notifying staff, potentially disrupting vaccine access and insurance coverage for millions of American families.

Kennedy’s financial incentives for spreading vaccine misinformation are substantial. Before his appointment, he disclosed earning approximately $10 million in 2024 from speaking fees and dividends related to anti-vaccine lawsuits. His nonprofit, Children’s Health Defense, has also profited from merchandise sales while contributing to public health crises—most notably in Samoa, where its anti-vaccine messaging triggered a 2019 measles outbreak that resulted in at least 83 deaths, primarily among children under five.

Vaccines: A Cornerstone of Modern Medicine

Vaccines remain one of the most significant achievements in modern medicine, saving countless lives since their inception. The suppression of this CDC study underscores the dangers of politicizing public health science and the real-world consequences of vaccine hesitancy.