---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "ch5"
level: "chapter"
label: "Chapter 5"
heading: "Viruses, Serums, Toxins, Antitoxins, and Analogous Products"
release: "119-102"
url: "https://uscodex.org/usc/21/ch5"
sections_count: 10
---

# Chapter 5 — Viruses, Serums, Toxins, Antitoxins, and Analogous Products

Title 21 — Food and Drugs

## Sections

- [§151. Preparation and sale of worthless or harmful products for domestic animals prohibited; preparation to be in compliance with rules at licensed establishments](/usc/21/151.md)
- [§152. Importation regulated and prohibited](/usc/21/152.md)
- [§153. Inspection of imports; denial of entry and destruction](/usc/21/153.md)
- [§154. Regulations for preparation and sale; licenses](/usc/21/154.md)
- [§154a. Special licenses for special circumstances; expedited procedure; conditions; exemptions; criteria](/usc/21/154a.md)
- [§155. Permits for importation](/usc/21/155.md)
- [§156. Licenses conditioned on permitting inspection; suspension of licenses](/usc/21/156.md)
- [§157. Inspection](/usc/21/157.md)
- [§158. Offenses; punishment](/usc/21/158.md)
- [§159. Enforcement; penalties applicable; Congressional findings](/usc/21/159.md)