Autoimmune diabetes mellitus after COVID-19 vaccination in adult population: a systematic review of case reports.

"Declarations Ethical approval and consent to participateNo ethical approval was required. The present investigation represents a systematic review of case reports, in which the original articles have adhered to the ethical principle of obtaining informed consent. Consent for publicationN/A. Approval date of registry and the registration no. of the study/trialProtocol registration: PROSPERO-CRD42022342093, Date: 04/07/2022. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding None."

"This systematic review of case reports was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines [] and registered with the PROSPERO online database (identifier: CRD42022342093). Protocol registration: PROSPERO-CRD42022342093. Declarations: Ethical approval and consent to participateNo ethical approval was required. The present investigation represents a systematic review of case reports, in which the original articles have adhered to the ethical principle of obtaining informed consent.: Consent for publicationN/A.: Approval date of registry and the registration no. of the study/trialProtocol registration: PROSPERO-CRD42022342093, Date: 04/07/2022.: Competing interestsThe authors declare no competing interests. Approval date of registry and the registration no. of the study/trial: Protocol registration: PROSPERO-CRD42022342093, Date: 04/07/2022."