A compound attribute that is the ratio of amount of CD209 antigen (human) in blood to amount of intercellular adhesion molecule 2 (human) in blood. The trait is CD209/ICAM2 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2055366). Also known as: the ratio of amount of CD209 antigen (human) in blood to amount of intercellular adhesion molecule 2 (human) in blood.