title: [Ecology new and old].
mesh_terms: D000818:Animals; D002415:Cats; D003937:Diagnosis, Differential; D004197:Disease Reservoirs; D004285:Dogs; D004463:Ecology; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis; D007303:Insect Vectors; D007557:Israel; D008288:Malaria / Q000175:diagnosis; D012282:Rickettsia Infections / Q000175:diagnosis