Chikungunya IgM Rapid antibody
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Detects IgM antibodies specific to the Chikungunya virus
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🦟 Chikungunya IgM Rapid Antibody Test
Test Name | Chikungunya IgM Rapid Antibody Test |
|---|---|
Type | Immunochromatographic rapid test (qualitative) |
Sample Type | Whole blood, serum, or plasma |
Fasting Required | ❌ Not required |
Target Detected | IgM antibodies specific to Chikungunya virus (CHIKV) |
Time to Result | 15–30 minutes |
Department | Infectious Diseases / Internal Medicine / Emergency Medicine |
🔍 What Is Detected?
- The test detects IgM antibodies, which appear within 4–7 days of Chikungunya virus infection.
- Presence of IgM indicates a recent or current infection.
🧭 When Is This Test Recommended?
Clinical Scenario | Purpose |
|---|---|
High fever with sudden onset of joint pain | Primary suspicion of acute Chikungunya infection |
Outbreak investigation in endemic areas | Identify actively infected individuals |
Differential diagnosis with Dengue, Zika | Chikungunya symptoms often overlap |
Fever of unknown origin (travel history) | Evaluate for arboviral infection |
🧪 How to Interpret Results
IgM Result | Interpretation |
|---|---|
Positive | Suggests recent or active Chikungunya infection |
Negative | Likely no recent infection OR too early in course (IgM not yet formed) |
⚠️ Note: In very early infections (1–3 days post-symptom onset), IgM may be undetectable — repeat testing or RT-PCR may be needed.
🧪 Tests Commonly Done Alongside
Test | Why |
|---|---|
Chikungunya IgG | Check past exposure or co-infection |
Dengue NS1 / Dengue IgM/IgG | Rule out or detect co-infection |
CBC (Complete Blood Count) | Assess WBC and platelet counts |
CRP / ESR | Monitor systemic inflammation |
RT-PCR (CHIKV RNA) | Confirmatory test in early infection |
Rheumatoid Factor / ANA | Evaluate if arthritis persists post-infection |
❗ Limitations
- Cannot differentiate between primary and secondary infections
- False positives possible due to cross-reactivity with other arboviruses
- Not quantitative – does not indicate antibody levels
- Cannot confirm viral clearance
📋 Summary
Feature | Details |
|---|---|
Detects | IgM antibodies (recent Chikungunya infection) |
Method | Rapid lateral flow immunoassay |
Sample | Blood / Serum / Plasma |
Use | Quick screening for acute fever with joint pain |
Ideal Testing Window | 4–14 days after symptom onset |
Follow-Up | IgG test, RT-PCR (if early), CBC, Dengue test |
How our test process works!
