Tropical Medicine and International Health
04/22/2002
By David Loshak
Despite drawbacks, nasal swab samples might be preferable to nasopharyngeal aspirate for detection of respiratory syncytial virus among children in developing countries.
Nasal swab samples were associated with 27-31 percent less sensitivity than nasopharyngeal aspirate specimens, report researchers in Guinea-Bissau and Denmark. But, they point out, nasopharyngeal aspirates are costly and considered a nuisance by the population.
The researchers therefore suggest that it might be cost-effective in larger epidemiological studies to lose sensitivity but be able to collect samples from a much larger population.
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