1. Before taking the sample

Please do not eat, smoke, drink alcohol, etc. 30 minutes before sampling.

(1) Prepare a glass of water, drink about 50ml of water to fully rinse the mouth for about 10 seconds and spit it out.

(2) Repeat the above steps 2-3 times.

2. Oral cell sampling

(1) Tear open the outer package of the oral swab and carefully remove the oral swab (note: hands should not touch the swab part during the whole sampling process).

(2) Hold the handle, stick the swab into the left side of the mouth, make the head of the swab fully contact the mucosa at the inner left cheek/left upper and lower dental bed, rub up and down with the strength of brushing, and at the same time, rotate the swab so that the head of the swab fully contacts the oral mucosa, repeat this action for 1 minute.

(3) A second swab was taken in the same way at the mucosa of the right cheek/right upper and lower dental bed.

(4) Place the swab with oral exfoliated cells in a clean and ventilated place for at least one hour until it is dry, and put it back into the collection tube to complete the sampling.

3. After sampling

(1) After filling in your name on the label of the collection tube, put the collection tube into the self-sealing bag, and then register your relevant information: name, gender, age, and date of collection on the front label of the self-sealing bag.

(2) Please fill in the relevant information on the registration form for sending the test carefully. If you choose anonymous testing, please fill in the barcode number on the submission form in your name.

(3) Send the self-sealing bag containing the collection tube and the registration form to the company at room temperature.