Have you ever had a weak positive test for West Nile #virus only to test negative on a subsequent test?
One recurring problem with #epidemiology of #flavivirus #InfectiousDisease is that antibody tests for one flavivirus happen to be highly crossreactive with other flaviviruses.
That is a problem addressed in:
"Co-Circulation of West Nile, Usutu, and Tick-Borne Encephalitis Viruses in the Same Area: A Great Challenge for Diagnostic and Blood and Organ Safety" https://www.mdpi.com/1999-4915/15/2/366 @virology
Viral infections caused by viruses from the family Flaviviridae such as Zika (ZIKV), Dengue (DENV), yellow fever (YFV), tick-borne encephalitis (TBEV), West Nile (WNV), and Usutu (USUV) are some of the most challenging diseases for recognition in cli…
