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. 2019 May;102(1):63–69. doi: 10.1016/j.jhin.2018.12.007

Table I.

Dispersal of carbapenem-resistant Enterobacteriaceae (CRE) from waste traps artificially seeded with CRE

Fast drainage
Slow drainage
Active sampling
Cyclone sampler (cfu/400 L air)
Passive sampling
Settle plates (total sfu)
Active sampling
Cyclone sampler (cfu/400 L air)
Passive sampling
Settle plates (total sfu)
Drain underneath faucet 0a 0 2.3 × 103 ± 1.8 × 103 1.4 × 102 ± 6.1 × 101
Drain at rear 0 0 0a 0

The sink tap was operated for 30 s and the effect of drain position and drainage condition was assessed. Cyclone samples are expressed as mean ± standard deviation colony forming units (cfu) and the settle plates as mean ± standard deviation splash-forming units (sfu) (N = 3).

a

One out of three samples positive after enrichment (i.e. <30 × cfu/volume of air sampled).