The Norovirus (GⅠ/GⅡ) Rapid Test Device (Feces) has been designed to detect norovirus GⅠand GⅡ through visual interpretation of color development in the internal strip. The membrane was immobilized with anti-norovirus GⅠ antibodies and anti-norovirus GⅡ antibodies on the test region. During the test, the specimen is allowed to react with colored anti-norovirus GⅠ

antibodies colloidal gold conjugates and antinorovirus GⅡ antibodies colloidal gold conjugates, which were precoated on the sample pad of the test. The mixture then moves on the membrane by a capillary action, and interact with reagents on the membrane. If there were enough norovirus GⅠin specimens, a colored band will form at the T1 region of the membrane.

Similarily, If there were enough norovirus GⅡ in specimens, a colored band will form at the T2 region of the membrane. Presence of colored band(s) indicates a positive result, while its absence indicates a negative result. Appearance of a colored band at the control region serves as a procedural control. This indicates that proper volume of specimen has been added and membrane wicking has occurred.

• Bring tests, specimens, buffer and/or controls to room temperature (15-30°C) before use. 
  1. Specimen collection and pre-treatment: 
  1) Use the specimen collection container for specimen collection. Best results will be obtained if the assay is performed within 6 hours after collection. 
  2) For solid specimens: Unscrew and remove the dilution tube applicator. Be careful not to spill or spatter solution from the tube. Collect specimens by inserting the applicator stick into at least 3 different sites of the feces to collect approximately 125 mg of feces . 
  For liquid specimens: Hold the pipette vertically, aspirate fecal specimens, and then transfer 125 µL into the specimen collection tube containing the extraction buffer. 
  3) Place the applicator back into the tube and screw the cap tightly. Be careful not to break the tip of the dilution tube. 
  4) Shake the specimen collection tube vigorously to mix the specimen and the extraction buffer. 
  Specimens prepared in the specimen collection tube may be stored for 6 months at -20°C if not tested within 1 hour after preparation. 
  2. Testing 
  1) Remove the test from its sealed pouch, and place it on a clean, level surface. Label the test with patient or control identification. To obtain a best result, the assay should be performed within one hour. 
  2) Using a piece of tissue paper, break the tip of the dilution tube. Hold the tube vertically and dispense 4 drops of solution into the specimen well (S) of the test device. 
  Avoid trapping air bubbles in the specimen well (S), and do not drop any solution in observation window. 
  As the test begins to work, you will see color move across the membrane. 
  3. Wait for the colored band(s) to appear. The result should be read at 10 minutes. 

Norovirus GⅠ

Positive: * A colored band appears in the control band region (C) and another colored band appears in the T1 band region.

Norovirus GⅡ Positive: * A colored band appears in the control band region (C) and another colored band appears in the T2 line region.

Norovirus GⅠand GⅡ Positive: * A colored band appears in the control line region (C) and two other colored bands appear in T1 line region and T2 line region respectively.

NEGATIVE RESULT：

One colored band appears in the control band region (C). No band appears in the test band region (T1/T2).

 INVALID RESULT：

Control band fails to appear. Results from any test which has not produced a control band at the specified reading time must be discarded. Please review the procedure and repeat with a new test. If the problem persists, discontinue using the kit immediately and contact your local distributor.

NOTE:

should be considered positive. Besides, the substances level can not be determined by this qualitative test.