infectious disease treatment efficacy The disposition of one or more portions of material entity, when administered to a susceptible organism by a certain route and according to a certain schedule, to produce a structural change in an organism of a specific species, whereby this structural change serves as the physical basis of a protective resistance disposition. TreatmentEfficacy The disposition of one or more portions of material entity, when administered to a susceptible organism by a certain route and according to a certain schedule, to produce a structural change in an organism of a specific species, whereby this structural change serves as the physical basis of a protective resistance disposition. William R. Hogan need to generate class restriction. Something like: 'is realized by' some (processual_entity and (has_participant some ('Anatomical structure' and ('is physical basis of' some 'protective resistance')) we'd also like to say that the protective resistance disposition began to exist during the process. can't recall whether we should use process or processual_entity for future BFO compatibility. disposition