Hospital purchasing flu swab manufacturers Packaging instructions for nasopharyngeal swabs: Eins: Use nasal sampling swab 50 Anweisungen 1. Estimate the volume of this product needed to completely immerse the sample (1g tissue requires 10mL). 2. Mark the collection tube and add the estimated amount of this product. 3. Cut the sample into pieces with a thickness less than 0.5cm at …