Table 3 IDO Core definitions of infectious pathogens

acellular structure

Object consisting of an arrangement of interrelated acellular parts forming an acellular biological unit that is able to initiate replication of the structure in a host.

pathogenic disposition

Disposition borne by a material entity to establish localization in or produce toxins that can be transmitted to an organism or acellular structure, either of which may form a disorder in the entity or in immunocompetent members of the entity’s species.

infectious disposition

Pathogenic disposition borne by a pathogen to be transmitted to a host and then become part of an infection in that host or in immunocompetent members of the same species as the host.

establishment of localization in host

Process in which a material entity reaches a site in or on a host in which it can survive, grow, multiply, or mature and establishes itself there.

process of establishing an infection

Process by which an infectious agent or infectious structure, established in a host, becomes part of an infection in the host.

appearance of disorder

Process through which a disorder comes into existence.