Association between Covid-19 vaccination and incidence of type 1 diabetes in China: Evidence from 14.14 million registered residents between 2007 and 2021
Authors' conclusion
The findings suggest that COVID-19 vaccination did not increase the onset of T1D or have a significant impact on T1D pathogenesis, at least not on a large scale.
Study context
- Population
- General population of Beijing, China (>90% received three injections of inactivated SARS-CoV-2 vaccines in 2021); Beijing Municipal Health Commission Information Center data, 2007–20217,697 new T1D cases
- Participants
- 14.14 million participants
- Outcome
- Annual T1D incidence by age group and gender; annual percentage changes
- Follow-up
- 2007–2021
Methodological detailsJoinpoint regression
- Joinpoint regression
Main finding
As reported in the abstract
T1D incidence · 2007 to 2021
T1D incidence in 2007 (per 100,000 persons)
2.77
T1D incidence in 2021 (per 100,000 persons)
3.84
Observational data: associations, not effects.
Further findings
- Fulminant T1D (FT1D) incidence did not increase from 2015 to 2021
Original publication
Association between Covid-19 vaccination and incidence of type 1 diabetes in China: Evidence from 14.14 million registered residents between 2007 and 2021. Diabetes Res Clin Pract. Published 18 May 2023. doi:10.
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