Table 1 Demographics, clinical characteristics, and serum sample availability for 14 Zika and 60 dengue cases confirmed by RT-PCR
Characteristics | Zika cases (N = 14) | Dengue cases (N = 60) |
|---|---|---|
Number (%) or median (interquartile range) | ||
Demographic | ||
Male | 6 (42.9) | 31 (51.7) |
Age | 22.5 (15–41) | 18 (10–34) |
Clinical Manifestations | ||
Headache | 13 (92.9) | 58 (96.7) |
Myalgia | 12 (85.7) | 46 (76.7) |
Retro-orbital pain | 10 (71.4) | 34 (56.7) |
Arthralgia | 8 (57.1) | 28 (46.7) |
Vomit | 2 (14.3) | 12 (20.0) |
Rash | 10 (71.4) | 6 (10.0) |
Pruritus | 10 (71.4) | NA |
Prior dengue infectiona | ||
No | 1 (8.3) | 13 (21.7) |
Yes | 11 (91.7) | 47 (78.3) |
Blood sample collected | ||
Acute-phase sample | 14 (100) | 60 (100) |
Time between symptoms onset and sample collection | 2.5 (2–4) | 2 (1–3) |
Convalescent-phase sample | 8 (57.1) | 60 (100) |
Time between symptoms onset and sample collection | 27 (18.5–43.5) | 27 (19.5–57.5) |
Sera tested by ZIKV ELISAb | ||
ZIKV IgM-ELISA in acute-phase sera | 14 (100) | 58 (96.7) |
ZIKV IgM-ELISA in convalescent-phase sera | 8 (57.1) | 59 (98.3) |
ZIKV IgG-ELISA in acute-phase sera | 13 (92.9) | NT |
ZIKV IgG-ELISA in convalescent-phase sera | 8 (57.1) | 60 (100) |