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COVID-19 mRNA vaccine side effects

The COVID-19 mRNA vaccine has a favorable safety profile, but can cause rare side effects such as myocarditis, particularly in young males.

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Jan 19, 2026
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Are Covid vaccine safe and effective?

Yes: the preponderance of independent, peer‑reviewed evidence through 2025–2026 finds COVID‑19 vaccines to be safe and effective at reducing serious illness and hospitalization, though protection agai...