Table 1. Positive laboratory results (IgM or RT-PCR) for dengue virus (DENV), chikungunya virus (CHIKV) e zika virus (ZIKV) in CSF or blood, according to the diagnosed neurological disorder (n = 93).
| Neurological disorder | CHIKV positive (n=55) | DENV positive (n=18) | DENV/CHIK positive (n=16) | ZIKV positive (n=4) | ||||
|---|---|---|---|---|---|---|---|---|
| IgM | RT-PCR | IgM | RT-PCR | IgM | RT-PCR | IgM | RT-PCR | |
| GBSa | 5 (9%) | 11 (20%) | 2 (11.1%) | 1 (5.5%) | 4 (25%) | - | - | 1 (25%) |
| Encephalitis | 6 (10.9%) | 6 (10.9%) | 2 (11.1%) | 2 (11.1%) | 1 (6.25%) | 1 (6.25%) | - | - |
| Myelitis | 2 (3.6%) | 1 (1.8%) | 3 (16.6%) | - | 2 (12.5%) | - | - | 1 (25%) |
| Meningoencephalitis | - | 6 (10.9%) | - | - | 2 (12.5%) | 1 (6.25%) | - | - |
| Othersb | 7 (12.7%) | 11 (20%) | 4 (22.2%) | 4 (22.2%) | 2 (12.5%) | 3 (18.7%) | - | 2 (50%) |
| Total | 20 (36.4%) | 35 (63.6%) | 11 (61.1%) | 7 (38.9%) | 11 (68.8%) | 5 (31.2%) | - | 4 (100%) |
aGuillain Barré Syndrome; bMyositis, radiculopathies and undefined diagnosis