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In subsequent testing, influenza viral RNA was detected by quantitative real-time reverse-transcription PCR (qPCR) in nasopharyngeal swabs from 43 of 56 subjects, with a median viral copy number of 51 per sample (SD 161 after the exclusion of one outlying value of 3727), where each sample consisted of two swabs collected from each patient.
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A microbiologist analyzed intraoperatively obtained swabs that were considered positive when the same bacteria were present in two of five swabs or when the patient had additional signs of bacteremia (elevated C-reactive protein [CRP] levels or leukocytosis).
Error bars with same letter are not significantly different at P = 0.05 using Least Significant Difference (LSD) for mean ± standard deviation of sixty swabs taken from twenty milk container samples in three replicates.
Each child was eligible for a maximum of five swabs (mean 3).
Nasal swabs from both anterior nares of calves were taken and analysed in 10 pools of six swabs each (60 animals per farm).
In this study, the recovery efficiencies of four swab materials, both dry and premoistened, were compared, and different methods for swab processing were assessed for the recovery of known quantities of B. anthracis spores from a nonporous stainless steel surface.
A few studies comparing the respective efficacies of these two swabs in providing diagnostic specimens have been performed in children, but, to our knowledge, no such studies have been conducted in the elderly.
All four swabs bore Salmonella in 12% of the houses, three swabs out of four in 6.5%, two swabs out of four in 6.5%, and only one swab from 13% of the houses.
There was a seven-page missing person report, questions about scars and dentures, two swabs of the son's mouth for DNA.
Specimens collected from enrolled subjects at both study sites consisted of two vaginal swabs followed by a vaginal lavage.
They consisted of ten conjunctival swabs, two poch of Douglas aspirations, eleven cervix swabs, 2 tubal swabs, fourteen urethral swabs and eleven rectal swabs.
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