Serum: minimum 5 mL collected in red top tube Cerebrospinal fluid (CSF): minimum 2 mL collected aseptically. Acute serum and CSF should be collected within the first 14 days following onset of symptoms. Refrigerate at 2° - 8° C Virus isolation and/or nucleic amplification testing, acceptable specimens are fresh frozen tissue, serum, or cerebrospinal fluid. Tissue specimens should be approximately 1 x 3 cm, frozen as soon as possible at -70° C CLIA regulations require two patient identifiers on the specimen container and the test requisition. |