New Study Finds Annual COVID Vaccines Protect People against Severe Disease, Even with Prior Immunity

Scientific AmericanWednesday, October 8, 2025 at 9:00:00 PM
PositiveScience
A recent study highlights the effectiveness of updated COVID vaccines in reducing the risk of severe disease and death across all age groups, even for those with prior immunity from infections or vaccinations. This finding is significant as it underscores the importance of staying updated with vaccinations to protect public health and prevent severe outcomes from the virus.
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