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  • Key points and precautions of nasopharyngeal swab collection

    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.