This type of assay does not include a step to separate free analyte from bound analyte. A. sandwich assay O B. radioimmunoassay O C. homogeneous assay O D. heterogeneous assay QUESTION 22 Match the virus with the associated characteristic. Use each choice only once. D. y may result in first trimester miscarriage A. measles C. v major cause of death in people with HIV B. HSV B. v oral, genital, and congenital forms C. CMV A. v leading cause of child death worldwide D. VZV F. v infects birds such as crows E. rubella E. v caused a global pandemic in the 1960s F. West Nile virus QUESTION 23 Immunodiffusion assays are still used clinically for A. fungal infections B. cancer diagnosis O C. bacterial infections O D. viral infections