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Bill

LC 1463

Ban mRNA vaccinations in Montana for humans

2025 Regular Session

Montana bill would ban all mRNA vaccines for humans, restricting access to approved COVID-19 and flu vaccines and creating federal-state legal conflicts.

(LC) Draft Delivered to Requester
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Bill Summary · LC 1463

Legislative bill overview

Bill LC 1463 would prohibit the administration of mRNA-based vaccines to humans in Montana. The bill appears to be in draft form and has not yet been formally introduced in the legislature. This would represent a categorical ban on an entire vaccine technology platform regardless of specific vaccines or health circumstances.

Why is this important

mRNA vaccines currently include COVID-19 vaccines and some flu vaccines approved by the FDA. A blanket ban would restrict access to these vaccines and could prevent Montana residents from receiving future mRNA-based vaccines for other diseases. This directly conflicts with federal vaccine authority and could create significant public health, legal, and interstate commerce complications.

Potential points of contention

  • Federal preemption issues: The FDA approves vaccines at the federal level; state bans on approved medications face substantial legal challenges and may violate the Supremacy Clause
  • Public health authority scope: States historically regulate vaccine administration through health departments, but categorical technology bans differ from standard vaccine regulation and may exceed state authority
  • Practical implementation gaps: The bill would need to define enforcement mechanisms, exceptions (emergency situations, interstate travel), and how it interacts with existing vaccine requirements for schools, healthcare workers, and military personnel

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

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