Okla. Stat. tit. 63, § 63-1-501: Definitions

For the purposes of this article:

(a) The term "disease" means the disturbances of the normal

functions or alterations of the state of the human body resulting in

physical or mental ill health and/or disability.

(b) The term "prevention" means any and all conditions that may

preclude or reduce the possibility of the onset or beginning of

disease.

(c) The term "control" means any and all procedures which

modify, or may modify, favorably the course of disease.

(d) The term "communicable disease" means an illness due to a

specific infectious agent or its toxic products, arising through

transmission of that agent or its products from reservoir to

susceptible host, either directly as from an infected person or

animal, or indirectly through the agent of an intermediate plant or

animal host, a vector, or the inanimate environment. It also means

an infestation by an ectoparasite and similar species.