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A new Cleveland Clinic study finds that this year’s flu shot not only failed to protect against influenza but actually increased the risk of infection by 27% among vaccinated healthcare workers. Despite widespread promotion, the vaccine showed negative efficacy, raising serious questions about flu shot recommendations.
A new Cleveland Clinic study finds that this year’s flu shot not only failed to protect against influenza but actually increased the risk of infection by 27% among vaccinated healthcare workers. Despite widespread promotion, the vaccine showed negative efficacy, raising serious questions about flu shot recommendations.