Published in Health Risk Factor Week, November 17th, 2009
Flocked swabs may be more effective in retrieving nasal aspirates than nasopharyngeal aspiration, the current standard for retrieving nasal aspirates. Researchers from Southern Illinois University assessed each retrieval method for its ability to detect viruses. For all test methods used on 106 samples, 67 positive results were detected by swab, and 60 positive results were detected by aspirate (p=0.0455). On a 1 to 4 scale, the average estimation of epithelial cells retrieved with swabs was 3.6; for aspirates, it was 3.0. Furthermore, the cost of...
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