---
type: "Bill"
title: "Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)"
description: "Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "HB 637"
citation: "Maryland HB 637 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Acevero", "Administration", "Allen", "Amprey", "Bagnall", "Behler", "Bhandari", "Boafo", "Boyce", "Coley", "Cullison", "D. Jones", "Ebersole", "Edelson", "Fennell", "Foley", "Forbes", "Guyton", "Guzzone", "Harrison", "Hill", "Holmes", "Ivey", "Kaufman", "Lewis", "Lopez", "Martinez", "Mireku-North", "Moon", "Moreno", "Odom", "Palakovich Carr", "Pasteur", "Patterson", "Phillips", "Pruski", "Qi", "Roberts", "Rogers", "Rosenberg", "Ross", "Ruff", "Simmons", "Solomon", "Speaker", "Spiegel", "Stewart", "Taveras", "Turner", "Vogel", "Watson", "White Holland", "Wims", "Woods", "Woorman", "Wu", "Ziegler"]
version_count: 3
action_count: 20
vote_count: 4
first_action: "2026-01-30"
last_action: "2026-04-14"
source: "openstates"
source_identifier: "ocd-bill/b2b7a737-072c-4030-a45e-db3548133d18"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0637?ys=2026RS"
source_hash: "1acc1a92a5f7e3b4ac442dae691a5b69c25322831af0c82d36f76dfd0e9a683d"
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-md"]
---

# Maryland HB 637 (2026) — Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)

## Version chain

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

1. **Chapter - Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_7_hb0637t.pdf)
2. **First - Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0637f.pdf)
3. **Third - Public Health - Recommendations for Immunizations, Screenings, and Preventive Services - Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0637t.pdf)

## Votes

- On Third Reading — **98–32** (pass) · lower
- FLA Del. Arikan /863029/1 — **37–94** (fail) · lower
- On Third Reading — **31–13** (pass) · upper
- FLA Del. Miller /203925/1 — **37–92** (fail) · lower

## Sponsors

- Acevero — primary (person)
- Administration — primary (person)
- Allen — primary (person)
- Amprey — primary (person)
- Bagnall — primary (person)
- Behler — primary (person)
- Bhandari — primary (person)
- Boafo — primary (person)
- Boyce — primary (person)
- Coley — primary (person)
- Cullison — primary (person)
- D. Jones — primary (person)
- Ebersole — primary (person)
- Edelson — primary (person)
- Fennell — primary (person)
- Foley — primary (person)
- Forbes — primary (person)
- Guyton — primary (person)
- Guzzone — primary (person)
- Harrison — primary (person)
- Hill — primary (person)
- Holmes — primary (person)
- Ivey — primary (person)
- Kaufman — primary (person)
- Lewis — primary (person)
- Lopez — primary (person)
- Martinez — primary (person)
- Mireku-North — primary (person)
- Moon — primary (person)
- Moreno — primary (person)
- Odom — primary (person)
- Palakovich Carr — primary (person)
- Pasteur — primary (person)
- Patterson — primary (person)
- Phillips — primary (person)
- Pruski — primary (person)
- Qi — primary (person)
- Roberts — primary (person)
- Rogers — primary (person)
- Rosenberg — primary (person)
- Ross — primary (person)
- Ruff — primary (person)
- Simmons — primary (person)
- Solomon — primary (person)
- Speaker — primary (person)
- Spiegel — primary (person)
- Stewart — primary (person)
- Taveras — primary (person)
- Turner — primary (person)
- Vogel — primary (person)
- Watson — primary (person)
- White Holland — primary (person)
- Wims — primary (person)
- Woods — primary (person)
- Woorman — primary (person)
- Wu — primary (person)
- Ziegler — primary (person)

## Timeline

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

- **2026-01-30** First Reading Health `referral-committee`
- **2026-02-04** Hearing 2/12 at 1:00 p.m.
- **2026-02-05** Hearing canceled
- **2026-02-05** Hearing 2/26 at 1:00 p.m.
- **2026-02-26** Hearing canceled
- **2026-02-26** Hearing 2/26 at 1:30 p.m.
- **2026-03-20** Favorable with Amendments Report by Health `committee-passage-favorable`
- **2026-03-20** Favorable with Amendments { `committee-passage-favorable`
- **2026-03-20** Motion Special Order until Next Session (Delegate Arikan) Adopted
- **2026-03-20** Floor Amendment {
- **2026-03-20** Floor Amendment {
- **2026-03-20** Second Reading Passed with Amendments
- **2026-03-21** Third Reading Passed `passage`
- **2026-03-23** Referred Finance `referral-committee`
- **2026-04-06** Favorable Report by Finance `committee-passage-favorable`
- **2026-04-07** Favorable Adopted `committee-passage-favorable`
- **2026-04-07** Second Reading Passed
- **2026-04-08** Third Reading Passed `passage`
- **2026-04-09** Returned Passed
- **2026-04-14** Approved by the Governor - Chapter 7 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b2b7a737-072c-4030-a45e-db3548133d18`. Confidence: reported (aggregated from official Maryland legislature records).