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  • RESEARCH HIGHLIGHT

Timing matters for COVID vaccine effectiveness

Younger and older people gained greater protection if they had their jabs in the middle of the day.
Pediatric COVID Vaccinations During Omicron in San Francisco.

People under 20 or over 50 reaped the biggest extra benefit from SARS-CoV-2 vaccinations administered between late morning and early afternoon. Credit: Santiago Mejia/The San Francisco Chronicle/Getty

The time of day at which a person receives a COVID-19 vaccine might influence how well it protects them from the disease1.

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Nature 617, 226 (2023)

doi: https://doi.org/10.1038/d41586-023-01463-6

References

  1. Hazan, G. et al. J. Clin. Invest. https://doi.org/10.1172/JCI167339 (2023).

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