TABLE 3.
Sampling method | Result for: |
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936 |
c2 |
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Positive/total assaysa | Median concn (1st quartile/3rd quartile)b | LODc | Positive/ total assaysa | Median concn (1st quartile/3rd quartile)b | LODc | |
NIOSH sampler (stage 1) | 12/12 (100) | 5,346 (2,494/6,010) | 10 | 10/12 (83) | 162 (124/208) | 50 |
NIOSH sampler (stage 2) | 11/12 (92) | 280 (159/449) | 10 | 5/12 (42) | 223 (139/465) | 50 |
Coriolis sampler | 43/52 (83) | 580 (249/2,905) | 62 | 32/52 (62) | 1,848 (792/31,077) | 318 |
PC filter | 15/18 (83) | 2,399 (1,372/3,483) | 492 | 5/18 (28) | 5,377 (3,562/5,595) | 2,523 |
PTFE filter | 14/18 (78) | 1,538 (1,271/2,093) | 492 | 5/18 (28) | 3,378 (3,232/3,917) | 2,523 |
BioSampler | 1/18 (6) | 27,903 | 6,986 | 3/18 (17) | 51,750 (44,905/66,148) | 35,821 |
Number of positive qPCR assays out of the total number of assays (percentage of positive samples shown in parentheses).
Median concentration of genomes per m3 of air, taking only positive samples into account.
LOD, limit of detection of viral genomes per m3 of air by qPCR.