Dengue IgG / IgM Test

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45 Terms

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Dengue Virus is transmitted by Aedes aegypti & Aedes albopictus mosquitoes, are widely distributed throughout the tropical & subtropical areas of the world.

Dengue Virus is transmitted by - mosquitoes, are widely distributed throughout the tropical & subtropical areas of the world.

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Dengue is an important arthropod-borne viral disease due to its high morbidity & mortality in humans

Dengue is an important arthropod-borne viral disease due to its high -in humans

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• Dengue Virus 1

• Dengue Virus 2

• Dengue Virus 3

• Dengue Virus 4

4 Known Distinct Serotype of Dengue Virus

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Dengue in children, infection is often sub-clinical or causes a self- limited febrile disease.

Dengue in children, infection is often - or causes a - disease.

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Dengue

If the patient is reinfected with a different serotype, risk of a more severe disease increase, such as dengue hemorrhagic fever or dengue shock syndrome.

Dengue

If the patient is reinfected with a different serotype, risk of a more severe disease increase, such as - or -

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NS1 Antigen

- Is highly-conserved glycoprotein that is present at high concentration in the sera of dengue-infected patients, during the early clinical phase of the disease.

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1-9 days

NS1 Antigen

- Found in specimen from primary or secondary dengue-infected patients between _ after onset of fever.

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NS1 Antigen

- IgM usually become detectable until 5-10 days after the onset of illness in cases of primary dengue infection & until 4 – 5 days after onset of illness in secondary infections.

NS1 Antigen

- IgM usually become detectable until - days after the onset of illness in cases of primary dengue infection & until 4 – 5 days after onset of illness in secondary infections.

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NS1 Antigen

- IgM usually become detectable until 5-10 days after the onset of illness in cases of primary dengue infection & until 4 – 5 days after onset of illness in secondary infections.

NS1 Antigen

- IgM usually become detectable until 5-10 days after the onset of illness in cases of primary dengue infection & until - days after onset of illness in secondary infections.

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F

- In primary infections, IgG appears by the 14th day & persists for life.

NS1 Antigen (t/f)

- In primary infections, IgG appears by the 16th day & persists for life.

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NS1 Antigen

- In secondary infections, IgG levels rise for 1–2 days after the onset of symptoms & an IgM response is induced 20 days after infection.

NS1 Antigen

- In secondary infections, IgG levels rise for - days after the onset of symptoms & an IgM response is induced - days after infection.

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Dengue IgG/IgM test

is designed to simultaneously detect & differentiate IgG & IgM antibodies to dengue virus (DEN 1,2, 3 and 4) in human serum, plasma.

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recombinant Dengue envelope proteins

Dengue IgG/IgM test also can detect all 4 dengue serotypes by using a mixture of -. Both the mouse monoclonal anti-human IgG & IgG on the membrane & the Dengue virus envelope protein gold colloid will react specifically with IgG & IgM antibody to Dengue virus from human serum or plasma.

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Dengue IgG/IgM test also can detect all 4 dengue serotypes by using a mixture of recombinant Dengue envelope proteins. Both the mouse monoclonal anti-human IgG & IgG on the membrane & the Dengue virus envelope protein gold colloid will react specifically with IgG & IgM antibody to Dengue virus from human serum or plasma.

Dengue IgG/IgM test also can detect all 4 dengue serotypes by using a mixture of recombinant Dengue envelope proteins. Both the - & IgG on the membrane & the - will react specifically with IgG & IgM antibody to Dengue virus from human serum or plasma.

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F

Dengue IgG/IgM test device has 3 pre-coated lines, “G” (dengue IgG Test Line), “M” (dengue IgM test line) & “C” (control Line) on the surface of the device. All 3 lines in result window are not visible BEFORE applying any specimen.

Dengue IgG/IgM test device has 3 pre-coated lines, “G” (dengue IgG Test Line), “M” (dengue IgM test line) & “C” (control Line) on the surface of the device. All 3 lines in result window are visible BEFORE applying any specimen. (t/f)

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Control line

is used for procedural control and should always appear if the test procedure is performed properly & the test reagents of control line are working.

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F

A purple “G” & “M” lines will be visible in the result window if there are enough IgG &/or IgM antibodies to Dengue virus in the specimen. (t/f)

A purple “G” & “M” lines will not be visible in the result window if there are enough IgG &/or IgM antibodies to Dengue virus in the specimen. (t/f)

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If IgG &/or IgM antibodies to Dengue virus are NOT PRESENT in the specimen, there is no color appears in “G” &/or “M”.

If IgG &/or IgM antibodies to Dengue virus are NOT PRESENT in the specimen, a color appears in “G” &/or “M”. (t/f)

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Dengue IgG/IgM Test

When a specimen is added to the specimen well, Anti-dengue IgGs & IgMs in the specimen will be captured by the relevant anti-human IgG &/or anti-human IgM immobilized in two test lines across the test device. Mouse monoclonal anti-dengue Ab-colloidal gold conjugates will react with dengue virus in virus pad & forms a complex of antibodies-antigen. As this complex migrates along the length of the test device by capillary action, it will react with Anti-Dengue IgGs & IgMs in test lines & generate a colored line

Dengue IgG/IgM Test

When a specimen is added to the specimen well, Anti-dengue IgGs & IgMs in the specimen will be captured by the relevant anti-human IgG &/or anti-human IgM immobilized in two test lines across the test device.- will react with dengue virus in virus pad & forms a complex of antibodies-antigen. As this complex migrates along the length of the test device by capillary action, it will react with Anti-Dengue IgGs & IgMs in test lines & generate a colored line

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Dengue IgG/IgM Test

When a specimen is added to the specimen well, Anti-dengue IgGs & IgMs in the specimen will be captured by the relevant anti-human IgG &/or anti-human IgM immobilized in two test lines across the test device. Mouse monoclonal anti-dengue Ab-colloidal gold conjugates will react with dengue virus in virus pad & forms a complex of antibodies-antigen. As this complex migrates along the length of the test device by capillary action, it will react with Anti-Dengue IgGs & IgMs in test lines & generate a colored line

Dengue IgG/IgM Test

When a specimen is added to the specimen well, Anti-dengue IgGs & IgMs in the specimen will be captured by the relevant anti-human IgG &/or anti-human IgM immobilized in two test lines across the test device. Mouse monoclonal anti-dengue Ab-colloidal gold conjugates will react with dengue virus in virus pad & forms a complex of antibodies-antigen. As this complex migrates along the length of the test device by - , it will react with Anti-Dengue IgGs & IgMs in test lines & generate a colored line

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Dengue IgG/IgM test

is a solid phase immunochromatographic assay for the rapid, qualitative & differential detection of IgG & IgM antibodies to dengue virus in human serum/plasma.

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Dengue IgG/IgM test

This test is intended for professional used to aid in the presumptive diagnosis between primary & secondary dengue infection.

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Dengue IgG/IgM test

This test provides ONLY A PRELIMINARY TEST RESULT. Therefore, isolation of virus, antigen detection in fixed tissues, RT-PCR & serologic test like haemagglutination-inhibition test, more specific alternative diagnosis method must be used in order to obtain a confirmation of dengue virus infection.

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• Micropipettes

• Protective gloves

• Timer

• Phlebotomy kit

• Salmonella typhi IgG/IgM Fast test kit

• Biohazard container

• Specimen

  • Serum

  • Plasma

Dengue IgG/IgM test Materials

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Test Procedure of Dengue IgG/IgM test

1. Bring all kit components & specimen to reach room temperature (between 15C & 30°C) prior to opening & testing.

Test Procedure of Dengue IgG/IgM test

1. Bring all kit components & specimen to reach room temperature (between - °C) prior to opening & testing.

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Test Procedure of Dengue IgG/IgM test

2. Remove the test device from foil pouch, & place it on a flat, dry surface. Label the test device with a patient identifier.

Test Procedure of Dengue IgG/IgM test (t/f)

2. Remove the test device from foil pouch, & place it on a flat, dry surface. Label the test device with a -.

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Test Procedure of Dengue IgG/IgM test

3. Using a micropipette: Dispense 5uL of serum/plasma specimen into the square specimen well.

Using a capillary pipette: Draw serum/plasma to black line (5uL) then dispense into the square specimen well.

Test Procedure of Dengue IgG/IgM test

3. Using a micropipette: Dispense -uL of serum/plasma specimen into the square specimen well.

Using a capillary pipette: Draw serum/plasma to black line (-uL) then dispense into the square specimen well.

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4. Dispense 4 drops (about 90–120uL) of assay diluent into the round assay diluent well.

Test Procedure of Dengue IgG/IgM test

4. Dispense - drops (about - uL) of assay diluent into the round assay diluent well.

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T

5. Interpret test results in 15–20 minutes.

Caution: Do not read test results after 20 minutes, reading after 20 minutes can yield false results.

Test Procedure of Dengue IgG/IgM test (t/f)

5. Interpret test results in 15–20 minutes.

Caution: Do not read test results after 20 minutes, reading after 20 minutes can yield false results.

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F

5. Interpret test results in 15–20 minutes.

Caution: Do not read test results after 20 minutes, reading after 20 minutes can yield false results.

Test Procedure of Dengue IgG/IgM test

5. Interpret test results in 15–20 minutes.

Caution: Do not read test results after 20 minutes, reading after 20 minutes can yield positive results. (t/f)

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+

Test Interpretation of Dengue IgG/IgM test

The presence of any test line, no matter how faint, the result is considered .

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IgG +

Test Interpretation of Dengue IgG/IgM test

The presence of two line (“C” & “G”) in the result window, regardless of which line appears first, indicates that the specimen is - antibodies to dengue virus.

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IgG +

Test Interpretation of Dengue IgG/IgM test

This suggests secondary or past dengue infection.

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F

Test is positive even if “G” line is faint.

Test Interpretation of Dengue IgG/IgM test (t/f)

Test is negative even if “G” line is faint.

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IgM +

Test Interpretation of Dengue IgG/IgM test

The presence of 2 colored line (“C” and “M”) in the result window, regardless of which line appears first, indicates that the specimen is - antibodies to dengue virus.

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IgM +

Test Interpretation of Dengue IgG/IgM test

This suggests primary dengue infection.

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IgM +

Test Interpretation of Dengue IgG/IgM test

Test is - even if “M” line is faint.

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IgG & IgM +

Test Interpretation of Dengue IgG/IgM test

The presence of 3 colored line (“C”, “M” & “G”) in the result window, regardless of which line appears first, indicates that the specimen is - for both - antibodies to dengue virus.

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IgG & IgM +

Test Interpretation of Dengue IgG/IgM test

This suggests a late primary & early secondary or past dengue infection.

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IgG & IgM +

Test Interpretation of Dengue IgG/IgM test

Test is - even if “M” and “G” line are faint.

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Test Interpretation of Dengue IgG/IgM test

Presence of only Control Line “C” in the result window indicates that IgG & IgM antibodies to dengue are not present in the specimen or are present below the detectable levels.

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Ir result is invalid, retest 3–5 days if dengue infection is suspected.

Test Interpretation of Dengue IgG/IgM test

Ir result is –, retest - days if dengue infection is suspected.

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Invalid Result

Test Interpretation of Dengue IgG/IgM test

No control line “C” in the result window means the test is -, whether or not the Test Line “M” and/or “G” is present.

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Invalid Result

Test Interpretation of Dengue IgG/IgM test

The instructions may not have been followed correctly or the test may have been compromised.

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Invalid Result

Test Interpretation of Dengue IgG/IgM test

When an invalid result is obtained, it is recommended that the specimen be retested using a new device.