---
type: "Bill"
title: "MERCURY-FREE VACCINE ACT"
description: "Creates the Mercury-Free Vaccine Act. Provides that a person who is knowingly pregnant or who is under 3 years of age shall not be vaccinated with a mercury-containing vaccine or injected with a mercury-containing product that contains more than 0.5 micrograms of mercury per 0.5 milliliter dose. Provides that a person who is knowingly pregnant or who is under 3 years of age shall not be vaccinated with a mercury-containing influenza vaccine that contains more than 1.0 microgram of mercury per 0.5 milliliter dose. Provides an exemption for the use of mercury-containing vaccines if the Department of Public Health finds that an actual or potential bio-terrorist incident or other actual or potential public health emergency, including an epidemic or shortage of supply of a vaccine that would prevent children under 3 years of age and knowingly pregnant women from receiving the needed vaccine, makes necessary the administration of a vaccine containing more mercury than the maximum level."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "94th"
identifier: "HB 511"
citation: "Illinois HB 511 (94th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 85
vote_count: 4
first_action: "2005-01-27"
last_action: "2005-08-18"
source: "openstates"
source_identifier: "ocd-bill/094f20d5-bf2b-4c1f-9161-7a5496076c29"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=511&GAID=8&DocTypeID=HB&LegId=14879&SessionID=50&GA=94"
source_hash: "fc8e528a9c719ee1b4a1fe1f0003faded86f49b1f39e5a97de197ef4d1c176be"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois HB 511 (94th) — MERCURY-FREE VACCINE ACT

Creates the Mercury-Free Vaccine Act. Provides that a person who is knowingly pregnant or who is under 3 years of age shall not be vaccinated with a mercury-containing vaccine or injected with a mercury-containing product that contains more than 0.5 micrograms of mercury per 0.5 milliliter dose. Provides that a person who is knowingly pregnant or who is under 3 years of age shall not be vaccinated with a mercury-containing influenza vaccine that contains more than 1.0 microgram of mercury per 0.5 milliliter dose. Provides an exemption for the use of mercury-containing vaccines if the Department of Public Health finds that an actual or potential bio-terrorist incident or other actual or potential public health emergency, including an epidemic or shortage of supply of a vaccine that would prevent children under 3 years of age and knowingly pregnant women from receiving the needed vaccine, makes necessary the administration of a vaccine containing more mercury than the maximum level.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09400HB0511&GA=94&SessionId=50&DocTypeId=HB&LegID=14879&DocNum=511&GAID=8&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09400HB0511eng&GA=94&SessionId=50&DocTypeId=HB&LegID=14879&DocNum=511&GAID=8&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09400HB0511enr&GA=94&SessionId=50&DocTypeId=HB&LegID=14879&DocNum=511&GAID=8&Session=&print=true)

## Votes

- Third Reading — **115–0** (pass) · lower
- Third Reading — **56–1** (pass) · upper
- Concurrence, Amendment 2 — **114–0** (pass) · lower
- Concurrence, Amendment 5 — **114–0** (pass) · lower

## Sponsors

- Edward Petka — cosponsor (person)
- Kurt M. Granberg — primary (person)
- M. Maggie Crotty — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2005-01-27** Filed with the Clerk by Rep. Kurt M. Granberg `filing`
- **2005-01-27** First Reading `reading-1`
- **2005-01-27** Referred to Rules Committee `referral-committee`
- **2005-02-02** Assigned to Environmental Health Committee `referral-committee`
- **2005-02-09** Do Pass / Short Debate Environmental Health Committee; 008-000-000 `committee-passage`
- **2005-02-09** Added Chief Co-Sponsor Rep. Kathleen A. Ryg
- **2005-02-09** Added Chief Co-Sponsor Rep. Naomi D. Jakobsson
- **2005-02-09** Added Chief Co-Sponsor Rep. Jack McGuire
- **2005-02-10** Placed on Calendar 2nd Reading - Short Debate
- **2005-02-10** Second Reading - Short Debate `reading-2`
- **2005-02-10** Placed on Calendar Order of 3rd Reading - Short Debate
- **2005-02-16** Added Co-Sponsor Rep. Elaine Nekritz
- **2005-02-16** Added Co-Sponsor Rep. Harry Osterman
- **2005-02-16** Added Co-Sponsor Rep. Barbara Flynn Currie
- **2005-02-16** Added Co-Sponsor Rep. Julie Hamos
- **2005-02-16** Added Co-Sponsor Rep. Jack D. Franks
- **2005-02-16** Added Co-Sponsor Rep. Linda Chapa LaVia
- **2005-02-16** Third Reading - Short Debate - Passed 115-000-000 `reading-3, passage`
- **2005-02-17** Arrive in Senate `introduction`
- **2005-02-17** Placed on Calendar Order of First Reading February 23, 2005 `reading-1`
- **2005-02-17** Chief Senate Sponsor Sen. Mattie Hunter
- **2005-02-22** Added as Alternate Chief Co-Sponsor Sen. Don Harmon
- **2005-02-24** First Reading `reading-1`
- **2005-02-24** Referred to Rules `referral-committee`
- **2005-02-24** Added as Alternate Chief Co-Sponsor Sen. Jacqueline Y. Collins
- **2005-04-13** Assigned to Health & Human Services `referral-committee`
- **2005-04-20** Postponed - Health & Human Services
- **2005-05-05** Do Pass Health & Human Services; 010-000-000 `committee-passage`
- **2005-05-05** Placed on Calendar Order of 2nd Reading May 10, 2005
- **2005-05-10** Added as Alternate Co-Sponsor Sen. M. Maggie Crotty
- **2005-05-13** Added as Alternate Co-Sponsor Sen. James A. DeLeo
- **2005-05-13** Senate Floor Amendment No. 1 Filed with Secretary by Sen. Don Harmon; -Hunter `amendment-introduction`
- **2005-05-13** Senate Floor Amendment No. 1 Referred to Rules `referral-committee`
- **2005-05-13** Senate Floor Amendment No. 2 Filed with Secretary by Sen. Don Harmon; -Hunter `amendment-introduction`
- **2005-05-13** Senate Floor Amendment No. 2 Referred to Rules `referral-committee`
- **2005-05-13** Sponsor Removed Sen. James A. DeLeo
- **2005-05-16** Senate Floor Amendment No. 3 Filed with Secretary by Sen. Don Harmon; -Hunter `amendment-introduction`
- **2005-05-16** Senate Floor Amendment No. 3 Referred to Rules `referral-committee`
- **2005-05-16** Senate Floor Amendment No. 1 Rules Refers to Health & Human Services
- **2005-05-16** Senate Floor Amendment No. 2 Rules Refers to Health & Human Services
- **2005-05-16** Senate Floor Amendment No. 3 Rules Refers to Health & Human Services
- **2005-05-16** Second Reading `reading-2`
- **2005-05-16** Placed on Calendar Order of 3rd Reading May 17, 2005
- **2005-05-17** Senate Floor Amendment No. 4 Filed with Secretary by Sen. Don Harmon; -Hunter `amendment-introduction`
- **2005-05-17** Senate Floor Amendment No. 4 Referred to Rules `referral-committee`
- **2005-05-18** Senate Floor Amendment No. 1 Postponed - Health & Human Services
- **2005-05-18** Senate Floor Amendment No. 2 Recommend Do Adopt Health & Human Services; 011-000-000
- **2005-05-18** Senate Floor Amendment No. 3 Postponed - Health & Human Services
- **2005-05-19** Added as Alternate Co-Sponsor Sen. Edward Petka
- **2005-05-19** Recalled to Second Reading `reading-2`
- **2005-05-19** Senate Floor Amendment No. 2 Adopted; Harmon-Hunter `amendment-passage`
- **2005-05-19** Placed on Calendar Order of 3rd Reading May 20, 2005
- **2005-05-20** Senate Floor Amendment No. 5 Filed with Secretary by Sen. Don Harmon `amendment-introduction`
- **2005-05-20** Senate Floor Amendment No. 5 Referred to Rules `referral-committee`
- **2005-05-20** Rule 2-10 Third Reading Deadline Extended to December 31, 2005 `reading-3`
- **2005-05-23** Senate Floor Amendment No. 4 Rules Refers to Health & Human Services
- **2005-05-23** Senate Floor Amendment No. 5 Rules Refers to Health & Human Services
- **2005-05-24** Senate Floor Amendment No. 4 Postponed - Health & Human Services
- **2005-05-24** Senate Floor Amendment No. 5 Be Adopted Health & Human Services; 009-000-000 `committee-passage-favorable`
- **2005-05-24** Added as Alternate Chief Co-Sponsor Sen. James A. DeLeo
- **2005-05-25** Recalled to Second Reading `reading-2`
- **2005-05-25** Senate Floor Amendment No. 5 Adopted; Harmon `amendment-passage`
- **2005-05-25** Placed on Calendar Order of 3rd Reading May 26, 2005
- **2005-05-26** Third Reading - Passed; 056-001-000 `reading-3, passage`
- **2005-05-26** Senate Floor Amendment No. 1 Tabled Pursuant to Rule 5-4(a) `amendment-failure`
- **2005-05-26** Senate Floor Amendment No. 3 Tabled Pursuant to Rule 5-4(a) `amendment-failure`
- **2005-05-26** Senate Floor Amendment No. 4 Tabled Pursuant to Rule 5-4(a) `amendment-failure`
- **2005-05-27** Arrived in House `introduction`
- **2005-05-27** Placed on Calendar Order of Concurrence Senate Amendment(s) 2,5
- **2005-05-28** Senate Floor Amendment No. 2 Motion Filed Concur Rep. Kurt M. Granberg
- **2005-05-28** Senate Floor Amendment No. 5 Motion Filed Concur Rep. Kurt M. Granberg
- **2005-05-28** Senate Floor Amendment No. 2 Motion to Concur Referred to Rules Committee `referral-committee`
- **2005-05-28** Senate Floor Amendment No. 5 Motion to Concur Referred to Rules Committee `referral-committee`
- **2005-05-28** Senate Floor Amendment No. 2 Motion to Concur Rules Referred to Environmental Health Committee `referral-committee`
- **2005-05-28** Senate Floor Amendment No. 5 Motion to Concur Rules Referred to Environmental Health Committee `referral-committee`
- **2005-05-28** Senate Floor Amendment No. 2 Motion to Concur Recommends be Adopted Environmental Health Committee; 008-000-000
- **2005-05-28** Senate Floor Amendment No. 5 Motion to Concur Recommends be Adopted Environmental Health Committee; 008-000-000
- **2005-05-29** Added Co-Sponsor Rep. Patricia R. Bellock
- **2005-05-29** Senate Floor Amendment No. 2 House Concurs 114-000-000
- **2005-05-29** Senate Floor Amendment No. 5 House Concurs 114-000-000
- **2005-05-29** Passed Both Houses
- **2005-06-27** Sent to the Governor `executive-receipt`
- **2005-08-18** Governor Approved `executive-signature`
- **2005-08-18** Effective Date January 1, 2006
- **2005-08-18** Public Act . . . . . . . . . 94-0614 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/094f20d5-bf2b-4c1f-9161-7a5496076c29`. Confidence: reported (aggregated from official Illinois legislature records).