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Abstract

A method, device and system for detecting the presence of microorganisms in an air sample taken from either a gaseous or liquid environment are described. The method including the steps of a) capturing with a filter microorganisms from the air sample; b) recovering from the filter with a liquid at least some microorganisms captured by the filter in step a); and c) detecting the presence of the at least some microorganisms in the liquid. The device and system include a chamber through which the air sample to be examined is circulated; a filter for capturing microorganisms susceptible to be present in the air sample; a liquid cooperating with the filter for recovering captured microorganisms therefrom; and a detector for detecting the presence of microorganisms in the liquid. The method, device and system are particularly useful for the continuous and on-site control, monitoring and detection of microorganisms, such as bacteria, parasites, fungi, viruses and the like, which may be present in an air sample, taken from an air duct of a ventilation system.

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