Overview
- Nearly half of the cases involve children under 5, with no deaths but 93 hospitalizations reported.
- Thirteen outbreaks have occurred, the largest linked to a migrant shelter in Chicago with over 60 cases.
- Approximately 85% of those infected were unvaccinated or had unknown vaccination status.
- Vaccination rates among US kindergarteners have dropped from 95% in 2019-20 to 93% in 2022-23.
- Experts attribute the increase to global travel and misinformation-induced vaccine hesitancy.