Nasopharyngeal swab used for nasopharyngeal collection constitutes a narrow stick made of a short plastic rod that is covered, at one tip, with adsorbing material such as cotton, polyester, or flocked nylon. Swab is anatomically and ergo- nomically designed to optimize the efficiency of the target analyte collection with patient comfort improved. Samples collected using Shengtian swab improve test sensitivity be- cause they elute more than 95% of the specimen.
Nylon / Rayon / Cotton