Collecting assembly for receiving secretion aspirated from a patient, the collecting assembly comprising - a collecting unit (2, 3) with a wall, - a patient-side connector, - a duct, - a liquid filter which is connected fixedly to the wall and/or is arranged in the interior of the wall, and - a pathogen filter which is connected fixedly to the wall, the pathogen filter being arranged completely in the interior of the wall and being surrounded completely by the wall, the collecting unit (2, 3) - enclosing a collecting unit interior space and - being configured to receive aspirated secretion in the collecting unit interior space, the patient-side connector enabling the establishing of a patient-side fluid connection between a patient-side coupling unit (6, 7) outside the collecting unit (2, 3) and the collecting unit interior space, the duct - leading through the wall and - enabling the establishing of a further fluid connection between a connector point accessible from the outside, in particular a unit-side connector, and the collecting unit interior space, and the liquid filter being configured to absorb at least part of a liquid which rises in the interior of the collecting unit interior space as soon as this liquid reaches the liquid filter, and the pathogen filter - being configured to filter microbial pathogens and liquid droplets from a fluid which flows out of the collecting unit interior space before they reach the connector point, and - comprises at least one tribo-electrical nonwoven, the pathogen filter being arranged downstream of the liquid filter, as viewed in the direction of flow of fluid out of the receiving unit interior space, the or each tribo-electrical nonwoven comprising two mutually parallel layers consisting of two different fibre types, these two layers - lying perpendicularly or obliquely on the throughflow direction and - being interlocked with one another in such a way that the one layer penetrates mechanically into the other layer at least in part of the throughflow area, and the one layer discharging electrodes and the other layer absorbing electrons or attracting electrons. the collecting assembly comprising - a collecting unit (2, 3) with a wall, - a patient-side connector, - a duct, - a liquid filter which is connected fixedly to the wall and/or is arranged in the interior of the wall, and - a pathogen filter which is connected fixedly to the wall, - a collecting unit (2, 3) with a wall, - a patient-side connector, - a duct, - a liquid filter which is connected fixedly to the wall and/or is arranged in the interior of the wall, and - a pathogen filter which is connected fixedly to the wall, the pathogen filter being arranged completely in the interior of the wall and being surrounded completely by the wall, the collecting unit (2, 3) - enclosing a collecting unit interior space and - being configured to receive aspirated secretion in the collecting unit interior space, - enclosing a collecting unit interior space and - being configured to receive aspirated secretion in the collecting unit interior space, the patient-side connector enabling the establishing of a patient-side fluid connection between a patient-side coupling unit (6, 7) outside the collecting unit (2, 3) and the collecting unit interior space, the duct - leading through the wall and - enabling the establishing of a further fluid connection between a connector point accessible from the outside, in particular a unit-side connector, and the collecting unit interior space, and - leading through the wall and - enabling the establishing of a further fluid connection between a connector point accessible from the outside, in particular a unit-side connector, and the collecting unit interior space, and the liquid filter being configured to absorb at least part of a liquid which rises in the interior of the collecting unit interior space as soon as this liquid reaches the liquid filter, and the pathogen filter - being configured to filter microbial pathogens and liquid droplets from a fluid which flows out of the collecting unit interior space before they reach the connector point, and - comprises at least one tribo-electrical nonwoven, - being configured to filter microbial pathogens and liquid droplets from a fluid which flows out of the collecting unit interior space before they reach the connector point, and - comprises at least one tribo-electrical nonwoven, the pathogen filter being arranged downstream of the liquid filter, as viewed in the direction of flow of fluid out of the receiving unit interior space, the or each tribo-electrical nonwoven comprising two mutually parallel layers consisting of two different fibre types, these two layers - lying perpendicularly or obliquely on the throughflow direction and - being interlocked with one another in such a way that the one layer penetrates mechanically into the other layer at least in part of the throughflow area, and - lying perpendicularly or obliquely on the throughflow direction and - being interlocked with one another in such a way that the one layer penetrates mechanically into the other layer at least in part of the throughflow area, and the one layer discharging electrodes and the other layer absorbing electrons or attracting electrons.