1. Insert a nasopharyngeal swab into the nostril of the patient, and rotate the swab over the posterior nasopharynx surface 3~4 times.

2. Insert the swab into an extraction buffer tube, and stir it more than 5 times while squeezing the tube.

3. Remove the swab while squeezing the sides of the tube, and press the nozzle cap tightly onto the tube.

4. Attach the provided film on to the test device.

5. Apply 3 drops of the extracted specimen to the specimen hole of the test device.

6. Read the test result after 15~30 minutes. The test can be read up to 30 minutes.