Disease 11 : Infectious Disease: An illness or disease resulting from invasion of a host by disease-producing organisms such as bacteria, viruses, fungi, or parasites
NFPA 1500 Standard on Fire Department Occupational Safety and Health Program, 2007 ed. https://law.resource.org/pub/us/code/ibr/nfpa.1500 .2007.pdf, (Std: Fr Dept Occupn Sfty and Hlth Prog - Amer) {399 NFC}