How to Use a Rapid Test at Home?

Here's a step-by-step guide on how to use a rapid antigen test at home:

1. Prepare the Test: Carefully open the test kit and lay out all the components on a clean surface. This usually includes the test cassette, swab, extraction buffer tube (containing liquid), and instructions.

2. Collect the Sample:

   • Gently insert the cotton swab into one nostril. Follow the kit's instructions regarding the depth and duration of swabbing (usually rotating the swab against the inside wall of your nostril for 15 seconds).
   • Repeat in the other nostril using the same swab.

3. Prepare the Sample for Testing:

   • Open the extraction buffer tube.
   • Insert the cotton end of the swab into the tube.
   • Swirl the swab gently in the liquid 10 times.
   • With the swab inside, pinch the outside of the tube with your fingers to get the remaining liquid out of the swab tip. This is important for an accurate result.
   • Remove the swab and dispose of it in the garbage.

4. Apply the Sample to the Test Cassette:

   • Close the extraction buffer tube with the provided cap (often a nozzle).
   • Squeeze the designated number of drops (as indicated in your test kit's instructions) onto the sample well of the test cassette.

5. Wait for the Result:

   • Set a timer for the specified waiting time (usually 15-30 minutes). Do not read the result before or after the recommended time, as it may be inaccurate.

6. Read and Interpret the Result:

   • Refer to the test kit's instructions to understand how to interpret the lines or symbols on the test cassette. Typically:
     • Positive Result: The control line (C) and a test line (T) are visible.
     • Negative Result: Only the control line (C) is visible.
     • Invalid Result: The control line (C) is not visible. This means the test is not valid, and you need to repeat the test with a new kit.

7. Dispose of the Test: Place all used components (test cassette, used tube) in a sealed bag and dispose of it according to local regulations.

Important Considerations:

• Read the Instructions: Always read and follow the instructions provided with your specific rapid test kit carefully. Different kits may have slightly different procedures.
• Accuracy: Rapid tests are generally less sensitive than PCR tests and may produce false negatives, especially early in an infection.
• Storage: Store the test kit according to the manufacturer's instructions (usually at room temperature).
• Expiration Date: Check the expiration date before using the test.
• Follow-Up: If you have symptoms or a positive test result, follow public health guidelines regarding isolation and further testing.