
Keywords: Cox-B1, Coxsackievirus B1; CPE, Cytopathic Effect; DMEM, Dulbecco’s Modified Eagle Medium; dsDNA, double-stranded DNA; EQA, External Quality Assessment; FBS, Fetal Bovine Serum; FDA, Food and Drugs Administration; H1N1, influenza A virus subtype H1N1; HSV