An "infectious biological substance" includes any bacteria, viruses, fungi, protozoa, or rickettsiae capable of causing death or serious bodily injury. "Infectious biological substance" does not include the human immunodeficiency virus (HIV) or any other related virus that causes acquired immunodeficiency syndrome (AIDS), syphilis, or hepatitis B.
A "radiological agent" includes any substance able to release radiation at levels that are capable of causing death or serious bodily injury.
Va. Code § 18.2-52.1