Debunking RFK Jr.’s False Claims About the MMR Vaccine

Recently, Robert F. Kennedy Jr., a prominent figure in the anti-vaccine movement, claimed that the MMR vaccine contains “aborted fetus debris.” This misinformation, also echoed by some fringe health organizations, has been widely refuted by scientists and public health experts.

What’s the Truth About the MMR Vaccine?

The MMR vaccine, which protects against measles, mumps, and rubella, does not contain any fetal tissue. Instead, some vaccines, including rubella-containing ones, are produced using human cell lines that were originally derived from fetal tissue decades ago—in the 1960s. These cells are replicated in the lab and are not part of the final vaccine product.

Importantly, no new abortions are performed for vaccine production. The original cell lines (WI-38 and MRC-5) are used to grow the viruses, which are then purified during manufacturing. These cells are not present in the final dose administered to individuals.

Why This Claim Is Harmful

Spreading false information about vaccines can lead to fear, vaccine hesitancy, and a resurgence of preventable diseases. Measles outbreaks, for instance, have occurred in communities with low vaccination rates.

Public health authorities stress that vaccines, including the MMR vaccine, are rigorously tested for safety and efficacy. The benefits of vaccination far outweigh any risks.

Conclusion

There is no scientific evidence to support Robert F. Kennedy Jr.’s claim that the MMR vaccine contains aborted fetal tissue. Such misinformation not only misleads the public but also endangers community health.

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