---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chI"
level: "chapter"
label: "Chapter I"
heading: "Public Health Service, Department of Health and Human Services"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chI"
sections_count: 1975
---

# Chapter I — Public Health Service, Department of Health and Human Services

Title 42 C.F.R. — Public Health

## Contents

- [Subchapter A — General Provisions](/cfr/42/chI-subchA.md)
- [Subchapter B — Personnel](/cfr/42/chI-subchB.md)
- [Subchapter C — Medical Care and Examinations](/cfr/42/chI-subchC.md)
- [Subchapter D — Grants](/cfr/42/chI-subchD.md)
- [Subchapter E — Fellowships, Internships, Training](/cfr/42/chI-subchE.md)
- [Subchapter F — Quarantine, Inspection, Licensing](/cfr/42/chI-subchF.md)
- [Subchapter G — Occupational Safety and Health Research and Related Activities](/cfr/42/chI-subchG.md)
- [Subchapter H — Health Assessments and Health Effects Studies of Hazardous Substances Releases and Facilities](/cfr/42/chI-subchH.md)
- [Subchapter I — Subchapter I [reserved]](/cfr/42/chI-subchI.md)
- [Subchapter J — Vaccines](/cfr/42/chI-subchJ.md)
- [Subchapter K — Health Resources Development](/cfr/42/chI-subchK.md)
- [Subchapter L — Compassionate Payments](/cfr/42/chI-subchL.md)
- [Subchapter M — Indian Health Service, Department of Health and Human Services](/cfr/42/chI-subchM.md)