Overview
- The share of children fully vaccinated by 24 months fell to 66.9%, nearly two percentage points lower than 2024, according to DHS data.
- Public health leaders warned the decline raises the risk of vaccine-preventable diseases spreading and potential outbreaks.
- Adolescent coverage showed small drops in HPV and Tdap while meningitis vaccination increased, and adult rates held steady.
- One-dose MMR coverage for 2-year-olds slipped below 80% as measles outbreaks were reported in the past year, highlighting vulnerability.
- DHS is working with health systems, clinics and pharmacies to address access and scheduling barriers and is promoting the Wisconsin Immunization Registry and Vaccines for Children and Adults programs.