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Biology · L3 · How Herd Immunity Stops a Disease from Spreading

A comparison of disease spread in an unvaccinated population versus a population that has crossed the herd immunity threshold, showing why unvaccinated individuals still gain protection.

by @openstemUpdated Biology
🦠 Contagious Disease Enters PopulationShare of Population Immune?😷 Spreads Person to Person⚠️ Outbreak GrowsChains of Transmission Break🛡️ Even Unvaccinated People ProtectedBelow ThresholdAt or Above Threshold

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