ArticleEmerging infectious diseases2024
Risk for Facial Palsy after COVID-19 Vaccination, South Korea, 2021-2022.
Article in Emerging infectious diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Delayed Facial Nerve Palsy after Vestibular Schwannoma Surgery in the COVID-19 Pandemic.International archives of otorhinolaryngology · 2026Article
- Review
- The synergistic role of viral infection and immune response in the pathogenesis of facial palsy.Journal of neurovirology · 2025Review
- Changes in the Nationwide Incidence of Bell's Palsy in the General Population Before and After the COVID-19 Pandemic: An Ecological Study.Journal of medical virology · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We conducted a self-controlled case series study to investigate the association between COVID-19 vaccination and facial palsy (FP) in South Korea. We used a large immunization registry linked with the national health information database. We included 44,564,345 patients >18 years of age who received >1 dose of COVID-19 vaccine (BNT162b2, mRNA-1273, ChAdOx1 nCoV-19, or Ad.26.COV2.S) and had an FP diagnosis and corticosteroid prescription within 240 days postvaccination. We compared FP incidence in a risk window (days 1-28) with a control window (the remainder of the 240-day observation period, excluding any risk windows). We found 5,211 patients experienced FP within the risk window and 10,531 experienced FP within the control window. FP risk increased within 28 days postvaccination, primarily after first and second doses and was observed for both mRNA and viral vaccines. Clinicians should carefully assess the FP risk-benefit profile associated with the COVID-19 vaccines and monitor neurologic signs after vaccination.
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Registered trials
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