1. Before sampling, mark relevant sample information on the label of the sampling tube.
2. According to different sampling requirements, samples were taken from the nasopharynx with a sampling swab.
3. Specific sampling methods are as follows:
a) Nasal swab: gently insert the swab head into the nasal palate in the nasal tract, stay for a moment, and then slowly rotate and exit. Wipe the other nostril with another swab, immerse the swab head into the sampling solution, and discard the tail.
b) Pharyngeal swab: wipe bilateral pharyngeal tonsils and posterior pharyngeal wall with a swab. Similarly, immerse the swab head into the sampling solution and discard the tail.
4. Quickly put the swab into the sampling tube.
5. Break the part of the sampling swab higher than the sampling tube and tighten the tube cover.
6. The freshly collected clinical specimens shall be transported to the laboratory within 48h at 2 ℃ ~ 8 ℃.
