Communicable disease can be defined as any condition that is transmitted directly or indirectly to a person from an infected person or animal through the agency of an intermediate animal, host or vector or through the inanimate environment.
Communicable diseases include, but is not limited to, influenza; tuberculosis; conjunctivitis; infectious mononucleosis; acquired immune deficiency syndrome (AIDS), AIDSrelated complex (ARC) and positive HIV antibody status; hepatitis A, B, C and D; meningitis; SARS; and sexually transmitted diseases.