Rotate the swab for approximately 10 seconds while pressing the head against the inside of the tube to release the antigen in the swab.
ຫມຸນ swab ປະມານ 10 ວິນາທີໃນຂະນະທີ່ກົດຫົວຕໍ່ກັບດ້ານໃນຂອງທໍ່ເພື່ອປ່ອຍ antigen ໃນ swab.