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HB 664 · 2025 · House · Health, Human Services and Elderly Affairs Committee

Vaccine mandates require placebo trials

AI-generated

relative to childhood immunization requirements.

Provides that state childhood immunization requirements cannot mandate a vaccine that has not been tested against an inert placebo in clinical trials.AI-generated

Status

Killed in the House — Inexpedient to Legislate · March 26, 2025
  1. Introduced
  2. House
  3. Senate
  4. Governor
  5. Law

Analysis

This bill provides that childhood immunization requirements shall not require a vaccine that has not been tested with an inert placebo in clinical trials.

From the bill's official ANALYSIS section.

Official record

gc.nh.gov · the authoritative source

Sponsors

Rep. Yury PolozovRPrime

Public testimony

1,120 signed in online · 314 wrote testimony

23% support77% oppose0% neutral

ForNo currently mandated vaccine has been placebo-tested

AgainstVaccines protect public health; weakening requirements risks outbreaks

AI-generatedLeading arguments, summarized by the testimony tool.

Read the arguments

In their wordsVerbatim, exactly as submitted

I am un full support that only thoroughly tested medical interventions should be recommended, let alone required on any human.
Danielle Haines, Concordsupports
Our children deserve quality safety testing on mandated vaccines.
Britany DeBernardo, Franklinsupports
It is unconscionable to allow/mandate ANY vaccine that has not been EXTENSIVELY tested as they used to be. The Covid vaccine was and still is a disaster!
Chris Osburn, Amherstsupports
We need safe and accessible vaccines so parents have the right to choose.
Susan Haley, Litchfield · The Anti-Vaxxers have mobilized! TAKE ACTION BY NOON ON WEDNESDAY (3/12)! STOP 2 ANTI-SCIENCE, ANTI-VAX BILLS! Dear Kent Street Friends, With measles outbreaks happening in several US states, leading to the tragic deaths of at least one unvaMyselfopposes
I am writing to express my strong opposition to HB664, which would prohibit childhood immunization requirements for vaccines that have not been tested with an inert placebo in clinical trials.
Elizabeth Iacovelli, Salemopposes
Stop trying to take away vaccines. You’re putting children at risk of getting sick or possibly dying.
Meredith Barkhouse, Manchesteropposes

Verbatim excerpts of submitted testimony, quoted from the testimony tool.

Read the testimony · as of Aug 12, 2026

Hearings

  • 2025-03-129:30 amHouse Health, Human Services and Elderly AffairsLOB 202-204Public hearing
  • 2025-03-199:30 amHouse Health, Human Services and Elderly AffairsLOB 201Public hearing

Legislative history

  1. Jan 9, 2025HouseIntroduced (in recess of) 01/09/2025 and referred to Health, Human Services and Elderly Affairs HJ 3 P. 21
  2. Mar 12, 2025HousePublic Hearing: 03/12/2025 01:00 pm LOB 202-204
  3. Mar 19, 2025HouseExecutive Session: 03/19/2025 09:30 am LOB 201
  4. Mar 19, 2025House: Inexpedient to Legislate 03/19/2025 (Vote 18-0; CC) HC 17 P. 19
  5. Mar 26, 2025HouseInexpedient to Legislate: MA VV 03/26/2025 HJ 10 P. 32

Coverage

No reporting linked yet.

Documents (PDF)

Bill text & amendments link direct to gc.nh.gov; committee reports stream from the state record.