"Case" means a person that lived as a resident in a Veterans Home and had an illness due to a communicable disease.
"Communicable disease" means an illness due to a specific infectious agent or its toxic products that arises through transmission of that agent or its products from an infected person, animal, or inanimate source to a susceptible host, either directly or indirectly, through an intermediate plant or animal host, a vector, or the inanimate environment.
20 ILCS 2805/2.13