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COVID vaccine immunity is waning — how much does that matter?

As debates about booster shots heat up, what’s known about the duration of vaccine-based immunity is still evolving.
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  1. Elie Dolgin
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Six months ago, Miles Davenport and his colleagues made a bold prediction. On the basis of published results from vaccine trials and other data sources, they estimated that people immunized against COVID-19 would lose approximately half of their defensive antibodies every 108 days or so. As a result, vaccines that initially offered, say, 90% protection against mild cases of disease might only be 70% effective after 6 or 7 months1.

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Nature 597, 606-607 (2021)

doi: https://doi.org/10.1038/d41586-021-02532-4

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