ATCvet code QI05 Immunologicals for equidae is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products, a system of alphanumeric codes developed by the WHO for the classification of drugs and other medical products for veterinary use. Subgroup QI05 is part of the anatomical group QI Immunologicals.National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.