Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Biological Hazards

Biological Warfare

Biological Weapons

Search our library’s catalog with this term

Use for act or application of weapons, not the instruments.

Used for:

  • Germ Warfare


Search again