- Study investigated psychiatric adverse events (AEs) after COVID-19 vaccination using a population-based cohort in Seoul, South Korea.
- Data from KNHIS claims database; 2,027,353 participants divided into vaccinated (1,718,999) and non-vaccinated (308,354) groups.
- Cumulative incidence at 3 months was higher for depression, anxiety/dissociative/stress-related/somatoform disorders, sleep disorders, and sexual disorders in vaccinated group.
- Schizophrenia and bipolar disorder had lower cumulative incidence in vaccinated group.