Surface area matters: An evaluation of swabs and surface area for environmental surface sampling of healthcare pathogens.
Infection control and hospital epidemiology(2022)
摘要
Flocked and foam swabs were used to sample five healthcare pathogens from three sizes of steel and plastic coupons; 26 cm2, 323 cm2, and 645 cm2. As surface area increased, 1-2 log10 decrease in recovered organisms (P < .05) was observed. Sampling 26-cm2 yielded the optimal median percent of pathogens recovered.
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