As used in this article:

“Department” means the West Virginia Department of Health and Human Resources;

“Rare disease” means any disease which affects fewer than 200,000 people in the United States and is known to be substantially under-diagnosed and unrecognized as a result of lack of adequate diagnostic and research information, including diseases known as “orphan diseases” for research purposes; and

“Secretary” means the Secretary of the West Virginia Department of Health and Human Resources.