Ohio Revised Code Title XXXVII. Health Safety Morals § 3701.81

(A) No person, knowing or having reasonable cause to believe that the person has a dangerous, contagious disease, shall knowingly fail to take reasonable measures to prevent exposing self to other persons, except when seeking medical aid.

(B) No person, having charge or care of a person whom the person having charge or care knows or has reasonable cause to believe has a dangerous, contagious disease, shall recklessly fail to take reasonable measures to protect others from exposure to the contagion, and to inform health authorities of the existence of the contagion.

(C) No person, having charge of a public conveyance or place of public accommodation, amusement, resort, or trade, and knowing or having reasonable cause to believe that persons using such conveyance or place have been or are being exposed to a dangerous, contagious disease, shall negligently fail to take reasonable measures to protect the public from exposure to the contagion, and to inform health authorities of the existence of the contagion.