Key facts
- US kindergarten vaccination rates declined in the 2025-2026 school year.
- Vaccine exemptions reached a record high of 4.2% for US kindergarteners.
- Experts attribute the decline to perceived chaos in vaccination recommendation systems.
- The decline raises concerns about potential resurgences of preventable diseases.
Kindergarten vaccination rates across the United States have experienced a decline during the 2025-2026 school year. Concurrently, the rate of vaccine exemptions among kindergarteners has climbed to an all-time high, reaching 4.2%. Experts in public health and epidemiology suggest that this downward trend in immunization coverage is linked to a public perception of disarray and confusion surrounding the vaccination recommendation systems. The perceived chaos may be deterring parents from adhering to recommended vaccination schedules for their children. This decrease in routine childhood immunizations is a significant concern for public health officials, as it could potentially lead to an increased risk of outbreaks for vaccine-preventable diseases. The data highlights a growing challenge in maintaining high vaccination coverage rates necessary for herd immunity.