A compound attribute that is the ratio of amount of early activation antigen CD69 (human) in blood to amount of C-type lectin domain family 1 member B (human) in blood. The trait is CD69/CLEC1B protein level ratio in blood (OBA_2053340, an Ontology of Biological Attributes identifier). Also known as: the ratio of amount of early activation antigen CD69 (human) in blood to amount of C-type lectin domain family 1 member B (human) in blood.