A compound attribute that is the ratio of amount of early activation antigen CD69 (human) in blood to amount of charged multivesicular body protein 1a (human) in blood. The trait is CD69/CHMP1A protein level ratio in blood (OBA_2053339). Also known as: the ratio of amount of early activation antigen CD69 (human) in blood to amount of charged multivesicular body protein 1a (human) in blood.