How do we determine if a vaccine is effective against a deadly virus?

First published at 14:36 UTC on August 12th, 2022.
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This 2-minute video provides a simple graphical explanation of why an accurate estimate of the true proportion of unvaccinated is critical. Obviously a proper evaluation would consider different age categories separately; also if safety was the ulti…

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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