W. Va. Code § 16-4-12: Persons not under treatment.

Where a venereal disease report shows the person is suffering with such disease in an infectious stage, and is not under treatment, the local health officer shall at once investigate and ascertain whether such person so reported is conducting so as to expose others to infection, and shall take such action as is necessary to protect the public health, and may arrest, detain and quarantine such person if necessary.