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American Focus > Blog > Tech and Science > What you need to know about mRNA vaccines in light of RFK’s claims
Tech and Science

What you need to know about mRNA vaccines in light of RFK’s claims

Last updated: August 7, 2025 8:55 am
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What you need to know about mRNA vaccines in light of RFK’s claims
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Robert F Kennedy Jr, the head the US health department

ZUMA Press, Inc./Alamy

The US health secretary recently made controversial claims about the effectiveness of mRNA vaccines against respiratory diseases. These claims were made in conjunction with a decision to cut funding for mRNA vaccine development. However, scientific evidence contradicts these claims, showing that mRNA vaccines can be just as effective, if not more so, than other types of vaccines. Let’s delve deeper into this topic to understand the truth behind these assertions.

In his announcement, Robert F Kennedy Jr, the head of the US Department of Health and Human Services, stated that mRNA vaccines are ineffective in protecting against upper respiratory infections like COVID and flu. He further mentioned a shift in funding towards vaccine platforms that are deemed safer and more effective against mutating viruses.

It is important to note that the effectiveness of vaccines is not solely determined by their type but also by the nature of the virus they target. Certain viruses, like measles, are easier to target with vaccines due to their limited mutations and infection pathways. On the other hand, respiratory viruses such as colds and flu present a challenge as they first infect the nose and throat, making it harder to generate effective antibodies in those areas.

While respiratory viruses constantly mutate, mRNA vaccines have shown promising results in providing protection against symptomatic infections, including COVID-19. In fact, some mRNA COVID-19 vaccines have demonstrated over 90% efficacy in preventing severe disease. This is in contrast to non-mRNA flu vaccines, which typically offer lower effectiveness rates.

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Contrary to Kennedy’s claims, mRNA vaccines undergo rigorous testing to ensure their superiority over older vaccine types. Additionally, the development of universal vaccines that target all strains of a virus has been challenging, with mRNA technology showing potential in this area as well.

Moreover, mRNA vaccines offer advantages in terms of safety, cost-effectiveness, and rapid development compared to traditional vaccine approaches. These vaccines have the potential for broader applications beyond infectious diseases, making them a valuable tool in healthcare innovation.

It is crucial to consider all aspects of a vaccine, including efficacy, safety, cost, and development speed, in evaluating its overall impact. The decision to reduce funding for mRNA vaccine development based on misleading claims could hinder progress in this field and limit future advancements in healthcare.

TAGGED:ClaimslightmRNARFKsVaccines
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