Legislation: batch E — CA TN VA VT WA WI WV WY

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/wa/2019-2020/hb-1638.md

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+---
+type: "Bill"
+title: "Promoting immunity against vaccine preventable diseases."
+description: "Promoting immunity against vaccine preventable diseases."
+jurisdiction: "us/states/wa"
+legislature: "Washington Legislature"
+session: "2019-2020"
+identifier: "HB 1638"
+citation: "Washington HB 1638 (2019-2020)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Harris"]
+version_count: 2
+action_count: 29
+vote_count: 8
+first_action: "2019-01-25"
+last_action: "2019-05-10"
+source: "openstates"
+source_identifier: "ocd-bill/b64158d2-1b99-490c-944b-e4041e73e89b"
+source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1638&year=2019"
+source_hash: "32620bdaf97f13a81c23223abf14a80e933150e63d17e6318c4fd70662ce6133"
+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-wa"]
+---
+
+# Washington HB 1638 (2019-2020) — Promoting immunity against vaccine preventable diseases.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/House%20Bills/1638.htm)
+2. **Engrossed Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/House%20Bills/1638.E.htm)
+
+## Votes
+
+- 537 Padden Pg 3 Ln 9 (#27) — **21–26** (fail) · upper
+- 755 Becker Pg 4 Ln 37 (#30) — **21–26** (fail) · upper
+- 3rd Reading & Final Passage as Amended by the Senate (#31) — **25–22** (pass) · upper
+- 740 Fortunato Pg 1 Ln 2 (#26) — **21–26** (fail) · upper
+- 736 Padden Pg 3 Ln 17 (#29) — **20–27** (fail) · upper
+- Final Passage (#46) — **57–40** (pass) · lower
+- 743 Wagoner Pg 3 Ln 13 (#28) — **22–25** (fail) · upper
+- Final Passage as Amended by the Senate (#17) — **56–40** (pass) · lower
+
+## Sponsors
+
+- Harris — primary (person)
+- Appleton — cosponsor (person)
+- Bergquist — cosponsor (person)
+- Cody — cosponsor (person)
+- Davis — cosponsor (person)
+- Doglio — cosponsor (person)
+- Frame — cosponsor (person)
+- Jinkins — cosponsor (person)
+- Macri — cosponsor (person)
+- Robinson — cosponsor (person)
+- Santos — cosponsor (person)
+- Stanford — cosponsor (person)
+- Stonier — cosponsor (person)
+- Tarleton — cosponsor (person)
+- Thai — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2019-01-25** First reading, referred to Health Care & Wellness. `reading-1`
+- **2019-02-15** HCW - Majority; do pass.
+- **2019-02-15** Minority; do not pass.
+- **2019-02-15** Minority; without recommendation.
+- **2019-02-19** Referred to Rules 2 Review.
+- **2019-02-28** Placed on second reading by Rules Committee.
+- **2019-03-05** Floor amendment(s) adopted.
+- **2019-03-05** Rules suspended. Placed on Third Reading.
+- **2019-03-05** Third reading, passed; yeas, 57; nays, 40; absent, 0; excused, 1. `reading-3`
+- **2019-03-08** First reading, referred to Health & Long Term Care. `reading-1`
+- **2019-04-01** HLTC - Majority; do pass with amendment(s).
+- **2019-04-01** Minority; do not pass.
+- **2019-04-03** Passed to Rules Committee for second reading.
+- **2019-04-17** Placed on second reading by Rules Committee.
+- **2019-04-17** Committee amendment(s) adopted with no other amendments.
+- **2019-04-17** Rules suspended. Placed on Third Reading.
+- **2019-04-17** Third reading, passed; yeas, 25; nays, 22; absent, 0; excused, 2. `reading-3`
+- **2019-04-23** House concurred in Senate amendments.
+- **2019-04-23** Passed final passage; yeas, 56; nays, 40; absent, 0; excused, 2. `passage`
+- **2019-04-25** Speaker signed. `passage`
+- **2019-04-25** President signed. `passage`
+- **2019-04-26** Delivered to Governor.
+- **2019-05-10** Governor partially vetoed. `executive-veto-line-item`
+- **2019-05-10** Chapter 362, 2019 Laws PV. `became-law`
+- **2019-05-10** Effective date 7/28/2019. `became-law`
+- **2019-02-08T13:00:00+00:00** Scheduled for public hearing in the House Committee on Health Care & Wellness at 08:00 AM
+- **2019-02-15T13:00:00+00:00** Scheduled for public hearing in the House Committee on Health Care & Wellness at 08:00 AM
+- **2019-03-29T12:00:00+00:00** Scheduled for public hearing in the Senate Committee on Health & Long Term Care at 08:00 AM
+- **2019-04-01T17:30:00+00:00** Scheduled for public hearing in the Senate Committee on Health & Long Term Care at 01:30 PM
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b64158d2-1b99-490c-944b-e4041e73e89b`. Confidence: reported (aggregated from official Washington legislature records).
+