Volume 15, Number 3—March 2009
Dispatch
Evaluation of Commercially Available Anti–Dengue Virus Immunoglobulin M Tests
Table 2
Characteristics of 9 tests used for detection of IgM against dengue virus*
ELISAs | ||||||||
---|---|---|---|---|---|---|---|---|
Test name | Dengue IgM capture | Pathozyme dengue M | Pathozyme dengue M capture | Dengue fever virus IgM capture DxSelect | Dengue IgM capture | |||
Company, location | Panbio Diagnostics, Windsor, Queensland, Australia | Omega Diagnostics, Alva, UK | Omega Diagnostics | Focus Diagnostics, Cypress, CA, USA | Standard Diagnostics, Kyonggi-do, South Korea | |||
Detection method | IgM capture | Indirect IgM detection | IgM capture | IgM capture | IgM capture | |||
Format | 12 strips of 8 wells | 12 strips of 8 wells | 12 strips of 8 wells | 12 strips of 8 wells | 12 strips of 8 wells | |||
No. tests/package | 96 | 96 | 96 | 96 | 96 | |||
Antigen | Recombinant DENV 1–4 | Purified DENV 2 | DENV 1–4 | DENV 1–4 | DENV 1–4 | |||
Sample volume, μL | 10 | 10 | 20 | 10 | 10 | |||
Total incubation time | 130 min at 37°C | 120 min at 37°C | 110 min at 37°C | 240 min at room temperature | 130 min at 37°C | |||
Storage conditions, °C |
2–30 |
2–8 |
2–8 |
2–8 |
2–8 |
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Rapid diagnostic tests |
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Test name | Dengue duo cassette | Hapalyse dengue-M PA kit | Dengucheck WB | SD dengue IgG/IgM | ||||
Company, location | Panbio Diagnostics | Pentax, Tokyo, Japan | Zephyr Biomedicals, Panaji, India | Standard Diagnostics | ||||
Assay principle | Lateral flow | Particle agglutination | Lateral flow | Lateral flow | ||||
Target antibody | IgM and IgG | IgM | IgM and IgG | IgM and IgG | ||||
Format | Cassette | 12 strips of 8 wells | Cassette | Cassette | ||||
No. tests/package | 25 | 96 | 25 | 25 | ||||
Antigen | Recombinant DENV 1–4 | DENV 1–4 | Recombinant DENV (serotype not specified) | Recombinant DENV 1–4 envelope protein | ||||
Specimen type | Serum, plasma, or whole blood | Serum or plasma | Serum, plasma, or whole blood | Serum or plasma | ||||
Volume of sample required, μL | 10 | 1 | 5 | 5 | ||||
Duration of test, min | 15 | 90 | 15 | 15–20 | ||||
Storage conditions, °C | 2–30 | 2–8 | 4–30 | 1–30 | ||||
Additional equipment required | No | Yes (e.g., micropipette) | No | No |
*Ig, immunoglobulin; DENV, dengue virus.