2010
DOI: 10.1007/s10096-009-0865-7
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Detection of multiple respiratory pathogens during primary respiratory infection: nasal swab versus nasopharyngeal aspirate using real-time polymerase chain reaction

Abstract: In this study, we present the multiple detection of respiratory viruses in infants during primary respiratory illness, investigate the sensitivity of nasal swabs and nasopharyngeal aspirates, and assess whether patient characteristics and viral load played a role in the sensitivity. Healthy infants were included at signs of first respiratory tract infection. Paired nasopharyngeal aspirates and nasal swabs were collected. Real-time polymerase chain reaction (PCR) was carried out for 11 respiratory pathogens. Pa… Show more

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Cited by 83 publications
(81 citation statements)
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“…These results are similar to other reported non-invasive airway sampling techniques (28,29), but indicated that nasosorption had poorer diagnostic utility than NPA, when using a multiplex PCR assay. However, using a more sensitive single qPCR assay, RSV was detected at 100% sensitivity and 100% specificity, relative to NPA, in line with our previous report (25), thereby validating nasosorption as a tool for respiratory virus detection when using high sensitivity qPCR assays (data not shown).…”
Section: Patients and Ethical Approvalsupporting
confidence: 81%
“…These results are similar to other reported non-invasive airway sampling techniques (28,29), but indicated that nasosorption had poorer diagnostic utility than NPA, when using a multiplex PCR assay. However, using a more sensitive single qPCR assay, RSV was detected at 100% sensitivity and 100% specificity, relative to NPA, in line with our previous report (25), thereby validating nasosorption as a tool for respiratory virus detection when using high sensitivity qPCR assays (data not shown).…”
Section: Patients and Ethical Approvalsupporting
confidence: 81%
“…Moreover, false negatives are possible, especially when rapid antigen testing is used, (19, 20) if the specimen is obtained by a nasal swab rather than a nasal aspirate,(21) or if unsatisfactory specimens are obtained.…”
Section: Diagnostic Testingmentioning
confidence: 99%
“…Although the sensitivity of the nasal swab is lower than that of the NPA, it is still used to detect mild cases of respiratory syncytial virus (RSV) infection, for community-based studies and surveillance purposes (Meerhoff et al, 2010). In the present study, the sensitivity of a salivary sample to detect the H1N1 virus was as good as that of the "classic" nasopharyngeal swab samples.…”
Section: Discussionmentioning
confidence: 76%