CDC Official Delivers Resounding Rebuttal to RFK Jr.'s Baseless Vaccine Claims
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- September 06, 2025
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In a crucial moment for public health, a top Centers for Disease Control and Prevention (CDC) official has unequivocally dismissed sensational and unfounded claims made by Robert F. Kennedy Jr. concerning a purported 'mass die-off' linked to COVID-19 vaccines. This direct refutation came during a pivotal congressional testimony, where Dr.
Marcella Nunez-Smith, a senior advisor to the CDC director, dismantled the misinformation with clear, data-driven facts.
Kennedy, a prominent figure known for his skeptical views on vaccines, had previously asserted both in a House hearing and a social media video that a 'mass die-off' of vaccinated individuals was imminent.
These alarming predictions have fueled widespread concern and skepticism, creating an urgent need for authoritative clarification from public health experts.
Dr. Nunez-Smith, testifying before the House Energy and Commerce Committee, firmly stated, 'I have heard of no evidence of a mass die-off.' Her statement served as a direct and powerful counter-narrative, bringing a much-needed dose of reality to the conversation.
She underscored the rigorous and continuous safety monitoring that has been in place since the inception of the COVID-19 vaccination program.
Emphasizing the integrity of the vaccine approval and surveillance process, Dr. Nunez-Smith highlighted that hundreds of millions of COVID-19 vaccine doses have been safely administered across the United States.
She reaffirmed the federal government's unwavering commitment to public health, stating, 'Our federal government maintains a robust system for monitoring vaccine safety.' This system, she explained, is designed to detect any potential issues swiftly and transparently, ensuring that the public remains informed and protected.
The CDC's stance is unequivocal: COVID-19 vaccines are safe and highly effective.
They have undergone the most intensive safety monitoring in U.S. history, demonstrating their profound ability to prevent severe illness, hospitalization, and death. This latest testimony reinforces the consistent message from public health agencies that these vaccines are a critical tool in safeguarding community health.
This is not an isolated incident for Kennedy, whose claims are often part of a broader pattern of misinformation that challenges established scientific consensus.
The effort to debunk such assertions is continuous, as public health officials strive to combat vaccine hesitancy and ensure that individuals have access to accurate, reliable information when making health decisions for themselves and their families.
Other health leaders have also joined in this effort.
For instance, Adm. Rachel Levine, Assistant Secretary for Health at the Department of Health and Human Services (HHS), testified that COVID-19 vaccines 'have saved millions of lives.' Such statements collectively form a bulwark against the tide of unverified claims, guiding the public toward evidence-based understanding and trust in scientific institutions.
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