- Temporal association between the age-specific incidence of Guillain-Barré syndrome and SARS-CoV-2 vaccination in Republic of Korea: a nationwide time-series correlation study
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Hyunju Lee, Donghyok Kwon, Seoncheol Park, Seung Ri Park, Darda Chung, Jongmok Ha
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Osong Public Health Res Perspect. 2023;14(3):224-231. Published online June 22, 2023
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DOI: https://doi.org/10.24171/j.phrp.2023.0050
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 Graphical Abstract
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 - Objectives
The incidence of Guillain-Barré syndrome (GBS) changed significantly during the coronavirus disease 2019 (COVID-19) pandemic. Emerging reports suggest that viral vector-based vaccines may be associated with an elevated risk of GBS.
Methods
In this nationwide time-series correlation study, we examined the age-specific incidence of GBS from January 2011 to August 2022, as well as data on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccinations and infections from February 2021 to August 2022. We compared the forecasted estimates of age-specific GBS incidence, using the pre-SARS-CoV-2 period as a benchmark, with the actual incidence observed during the post-vaccination period of the pandemic. Furthermore, we assessed the temporal association between GBS, SARS-CoV-2 vaccinations, and COVID-19 for different age groups.
Results
In the age group of 60 and older, the rate ratio was significantly elevated during June-August and November 2021. A significant, strong positive association was observed between viral vector-based vaccines and GBS incidence trends in this age group (r=0.52, p=0.022). For the 30 to 59 years age group, the rate ratio was notably high in September 2021. A statistically significant, strong positive association was found between mRNA-based vaccines and GBS incidence in this age group (r=0.61, p=0.006).
Conclusion
Viral vector-based SARS-CoV-2 vaccines were found to be temporally associated with an increased risk of GBS, particularly in older adults. To minimize age-specific and biological mechanism-specific adverse events, future vaccination campaigns should adopt a more personalized approach, such as recommending homologous mRNA-based SARS-CoV-2 vaccines for older adults to reduce the heightened risk of GBS.
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Citations
Citations to this article as recorded by  - mRNA-LNP COVID-19 Vaccine Lipids Induce Complement Activation and Production of Proinflammatory Cytokines: Mechanisms, Effects of Complement Inhibitors, and Relevance to Adverse Reactions
Tamás Bakos, Tamás Mészáros, Gergely Tibor Kozma, Petra Berényi, Réka Facskó, Henriette Farkas, László Dézsi, Carlo Heirman, Stefaan de Koker, Raymond Schiffelers, Kathryn Anne Glatter, Tamás Radovits, Gábor Szénási, János Szebeni
International Journal of Molecular Sciences.2024; 25(7): 3595. CrossRef - Guillain–Barre syndrome following COVID-19 vaccination: a study of 70 case reports
Biki Kumar Sah, Zahra Fatima, Rajan Kumar Sah, Bushra Syed, Tulika Garg, Selia Chowdhury, Bikona Ghosh, Binita Kunwar, Anagha Shree, Vivek Kumar Sah, Anisha Raut
Annals of Medicine & Surgery.2024; 86(4): 2067. CrossRef
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