Table 2.
Virus | Serology | RT-PCR | |||||
---|---|---|---|---|---|---|---|
Serum ELISA IgM a/IgG b |
IgG Avidity |
CSF ELISA IgM a/IgG b |
Serum VNT c |
Blood | CSF | Urine | |
TBEV | Positive (3.62)/Positive (161.90) | 82% | Positive (3.65)/Positive (146.50) | 640 | Negative | Negative | Negative |
WNV | Positive (1.24)/Positive (193.44) | 89% | Negative (0.23)/Positive (139.86) | 80 | Negative | Negative | Negative |
USUV | NT/Positive (>200) | NT | NT/Positive (167.25) | 80 | Negative | Negative | Negative |
TBEV = Tick-borne encephalitis virus; WNV = West Nile virus; USUV = Usutu virus; NT = not tested; a ratio < 0.8 negative, 0.8–1.1 borderline, >1.1 positive; b RU/mL <16 negative, 16–22 borderline, >22 positive; c titer.