Depending on requirements Oral mucosa scraping 1 Gargle for 15 seconds 2 X1~3 Take out 1~3pcs of swaps 3 Up and down rotating slightly friction 10~15 times on the oral surface 4 Place the swab in the collection tubeBreak the swab at the score line before tighten Blood sampling 1 Clinical laboratory of the Medical institutions 2 Blood sampling 3mlFridge the blood collection tube(K2 ETDA) with 4°C temperature
