ExpertiseContrôles qualité Contrôles qualité External quality assessment for herpes simplex virus drug resistance testing A French feasibility study French External Quality Assessment (EQA) Scheme for Molecular Detection of Human Herpesviruses (HHVs) in Cerebrospinal Fluid (CSF) Samples Proficiency of laboratories in the detection and quantification Results of the first French National Quality control for CMV viral load in whole blood