Sample tube: it shall be a plastic tube with a length of about 10cm, a diameter of about 1.5-2CM, a capacity of 10ml and a nozzleWith spiral wire and air cushion ring in the pipe cover.Swab: a swab with a polypropylene rod with a sterile polypropylene fiber head or absorbent cotton head.

Nasal swab collection method: Wet the swab in normal saline. Measure the distance from the nostril to the base of the ear with a swab and mark it with your finger.