The Incidence of Alopecia Areata in a COVID-19 Vaccinated Population: A Single-Center Review

December 2023 in “ Curēus ”

Jeff Chen, Sebastian Cano-Besquet, Henrik Ghantarchyan, Michael Neeki

alopecia areata COVID-19 vaccination AA COVID-19 vaccine

TLDR COVID-19 vaccination does not significantly increase the risk of developing alopecia areata.

This study reviewed the incidence of alopecia areata (AA) in a COVID-19-vaccinated population at a single-center hospital in California, identifying 73 cases of AA from December 17, 2020, to February 10, 2023. The odds ratio for developing AA among vaccinated individuals was 0.58, indicating no significant increase in AA incidence compared to the unvaccinated population. The study concluded that COVID-19 vaccination does not significantly increase the risk of developing AA and suggested potential protective effects or confounding variables. Limitations include its retrospective design and sample size, and further research is recommended.

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