Ohio Rev. Code Ann. § 2305.231
(A) As used in this section:
(4) "Therapeutic recreation" means adoptive recreation services to persons with illnesses or disabling conditions in order to do any of the following:
(C)
(1) No physician who volunteers the physician's services as a camp physician at a camp that specializes in therapeutic recreation, and no registered nurse who volunteers the registered nurse's services at such a camp, is liable in damages in a civil action for either of the following: