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SF 3439

Use of an exemption to immunization due to conscientiously held beliefs prohibition for immunization against measles, mumps, and rubella

2025-2026 Regular Session Introduced by Liz Boldon and 4 co-sponsors

Minnesota bill eliminates philosophical/religious exemptions from MMR vaccination requirements, potentially increasing measles-mumps-rubella immunization rates but restricting parental medical decision-making authority.

Comm report: To pass as amended and re-refer to Education Policy
#healthandhealthdepartment #religionandreligiousbeliefs #vaccines
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Bill Summary · SF 3439

Legislative bill overview

SF 3439 would eliminate the exemption from MMR (measles, mumps, rubella) vaccination requirements based on conscientiously held beliefs—commonly known as philosophical or religious conscience exemptions. Students and individuals would no longer be able to opt out of MMR vaccination based on personal or religious beliefs, though medical exemptions would presumably remain available.

Why is this important

MMR vaccination rates directly affect disease transmission thresholds in communities. Measles is highly contagious (R₀ of 12-18) and requires approximately 95% vaccination coverage to maintain herd immunity. Recent measles outbreaks in various U.S. communities with lower vaccination rates have resulted in hospitalizations and complications. This bill addresses a specific vulnerability in Minnesota's immunization policy by narrowing exemption categories.

Potential points of contention

  • Parental rights and medical autonomy: Opponents argue parents should retain authority over medical decisions for their children and that conscience-based exemptions represent fundamental personal liberty protections
  • Scope specificity: The bill targets only MMR while many states with similar restrictions address multiple vaccine-preventable diseases; questions arise about whether this is epidemiologically justified or sets a precedent for further restrictions
  • Enforcement mechanisms: Unclear how exemption elimination would be enforced in practice—whether it affects school enrollment, daycare access, or includes exceptions for homeschooled children

Compiled from official sources — confirm details with the bill’s official record.

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