The OnSite Chikungunya IgM Combo Rapid Test is a lateral flow chromatographic immunoassay for the qualitative detection of IgM anti-chikungunya (CHIK) virus in human serum, plasma or whole blood.

1. Uses serum, plasma or whole blood specimen
2. Utilizes recombinant antigen derived from the CHIK structure protein
3. IgM immunoassay is the most practical lab method
4. Distinguish from dengue infection which presents with similar symptoms

Clinical performance:

1. Sensitivity: 90.4%
2. Specificity: 98.0% comparing to a commercial ELISA
3. Cross-Reactivity: no cross-reactivity found on 10-40 specimens from the 14 disease states and special conditions, such as dengue, Zika, malaria, HIV, TB, HAV, pregnant woman and others
4. No interference with some common substances, such as Acetominophen (20 mg/dL), Heparin (3000 U/L), Ascorbic acid (20 mg/dL), Human IgG (1000 mg/dL), Bilirubin (20 mg/dL), Glucose (55 mmol/L), Creatinine (442 μmol/L), Salicylic acid (4.34 mmol/L), EDTA (3.4 μmol/L), Sodium citrate (3.8%)