New case
New case means a case in which either the injured or ill person has not previously experienced a reported injury or illness of the same type that affects the same part of the body, or the injured or ill person previously experienced a reported injury or illness of the same type that affected the same part of the body but had recovered completely (all signs and/or symptoms disappeared) from the previous injury or illness, and an event or exposure arising from the operation of a railroad discernably caused the signs and/or symptoms to reappear.