HB 4778

Health: immunizations; administration of gene-based vaccines; prohibit. Amends secs. 9201 & 16221 of 1978 PA 368 (MCL 333.9201 & 333.16221) & adds sec. 9228.

In committee Last action August 21, 2025: bill electronically reproduced August 20, 2025

Official bill page and text: legislature.mi.gov

Sponsors 7

Prime sponsor: Brad Paquette
Cosponsors (6): Gregory Markkanen, Jaime Greene, Jennifer Wortz, Joseph Pavlov, Luke Meerman, Pat Outman

Status

In committee as of August 21, 2025. The 103rd Legislature serves until the 104th convenes on January 13, 2027.

Referred to: House Government Operations (from the official referral record)

Roll-call votes 0

No roll-call votes recorded for this measure.

Timeline 4

Date	Chamber	Action
August 21, 2025	House	bill electronically reproduced August 20, 2025
August 20, 2025	House	referred to Committee on Government Operations
August 20, 2025	House	read a first time
August 20, 2025	House	introduced by Representative Rep. Brad Paquette

Data: Open States (API v3; public data, attribution appreciated). Official record: legislature.mi.gov. Bill pages link to the official text, not copied.

Sources for this page

Bill, action and roll-call data from Open States (public data, attribution appreciated). Neither Michigan Capitol Guide nor this information, as presented here, is endorsed by the Michigan Legislature.