laboratory diagnostic - infectious diseases - West Nile virus, direct diagnosis, CSF 0.5ml + EDTA plasma 2ml + serum 2ml (The samples must be frozen within 4 hour after collection and must be sent in the frozen samples container(!) + EDTA whole blood 2ml (refrigerated), RT - PCR in real time, ssso, todylaboratories®, bmn, code L16LD2056