---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch4"
level: "chapter"
label: "Chapter 4"
heading: "Viruses, Serums, Toxins, Antitoxins, Etc."
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch4"
sections_count: 1
---

# Chapter 4 — Viruses, Serums, Toxins, Antitoxins, Etc.

Title 42 — The Public Health and Welfare

## Sections

- [§141...148. Repealed.](/usc/42/141...148.md)