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This year's flu shot linked to higher flu risk in adults: Cleveland Clinic study
Key Excerpts from Article on Website of ABC News (Alabama affiliate)
Posted: April 30th, 2025
https://abc3340.com/news/nation-world/cleveland-clinic-study...
A recent study conducted by the Cleveland Clinic has revealed that this year's flu shot was not effective in preventing influenza among working-aged adults. The study, which was published on Medrxiv.org, analyzed data from the 2024-2025 respiratory viral season. According to the findings, "influenza vaccination of working-aged adults was associated with a higher risk of influenza," indicating that the vaccine did not provide the expected protection this season. The report further detailed that "the cumulative incidence of influenza was similar for the vaccinated and unvaccinated states early, but over the course of the study the cumulative incidence of influenza increased more rapidly among the vaccinated than the unvaccinated." To be more specific, the study also found that the vaccine effectiveness was as low as -26.9%, indicating that the vaccine had actually increased the risk of developing influenza. This is a concerning finding, especially considering the fact that the flu vaccine is widely administered every year to prevent the spread of the disease.
Note: For more along these lines, read our concise summaries of news articles on health and vaccine controversies.
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