Flu Vaccination Linked to Lower Heart, Stroke Risk After Infection - Takeaway - MDSpire
From the Journals

Flu Vaccination Linked to Lower Heart, Stroke Risk After Infection

A Danish registry study suggests prior influenza vaccination is associated with lower short-term cardiovascular risk following breakthrough infection.

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    Prior influenza vaccination associated with reduced cardiovascular risk.

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    Study included 1,221 patients aged 40+.

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    Highest risk for events within 3 days post-infection.

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    Vaccinated patients had an adjusted IRR of 2.4 vs 4.7 in unvaccinated episodes.

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    Majority of infections were influenza A.

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    The study used a self-controlled case series design for accurate risk assessment.

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    Limitations include potential underestimation of risk.

Original Source(s)

Flu Vaccination Linked to Lower Heart, Stroke Risk After Infection

  • by Kerri Miller

  • April 7, 2026

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