Assembly comprising: - a sampling device comprising a rod and a swab, wherein the swab comprises a base and a swab-member integral with the base, the base being mounted on the rod between the rod and the swab-member, the sampling device being configured to allow detachment of the swab from the rod; - a transfer tool for detaching the swab from the rod and transferring the detached swab to a container, wherein the transfer tool comprises a housing enclosing a closed chamber, which is accessible through a swab-member passage and configured for receiving the swab-member, the housing comprising a first housing part and second housing part hinged to the first housing part by a hinge at a first side of the second housing part, the first housing part and second housing part defining, at a second side of the second housing part opposite the first side, an entry opening to a channel delimited by the first and second housing part, the channel extending from outside the housing to the swab-member passage; wherein the first housing part and second housing part are rotatable with respect to each other around a hinge axis of the hinge between a holding condition and a non-holding condition, wherein the swab-member passage is configured to allow, in the non-holding condition, the swab-member to pass through the swab-member passage; and wherein the channel and swab are configured: - to allow, in the non-holding condition, inserting the swab-member and the base, in an insertion direction, from outside the housing through the entry opening into the channel, advancing the swab-member, in the insertion direction, to and through the swab-member passage into the chamber until the swab-member passage prevents the base from entering the swab-member passage, and - to prevent, in the holding condition whilst the swab-member passage blocks the base in the insertion direction and the swab-member projects through the swab-member passage into the chamber, the base from movement into a direction opposite to the insertion direction; characterized in that he swab-member passage is configured to prevent, in the holding condition as well as the non-holding condition, the base from entering the swab-member passage. - a sampling device comprising a rod and a swab, wherein the swab comprises a base and a swab-member integral with the base, the base being mounted on the rod between the rod and the swab-member, the sampling device being configured to allow detachment of the swab from the rod; - a transfer tool for detaching the swab from the rod and transferring the detached swab to a container, wherein the transfer tool comprises a housing enclosing a closed chamber, which is accessible through a swab-member passage and configured for receiving the swab-member, the housing comprising a first housing part and second housing part hinged to the first housing part by a hinge at a first side of the second housing part, the first housing part and second housing part defining, at a second side of the second housing part opposite the first side, an entry opening to a channel delimited by the first and second housing part, the channel extending from outside the housing to the swab-member passage; wherein the first housing part and second housing part are rotatable with respect to each other around a hinge axis of the hinge between a holding condition and a non-holding condition, wherein the swab-member passage is configured to allow, in the non-holding condition, the swab-member to pass through the swab-member passage; and wherein the channel and swab are configured: - to allow, in the non-holding condition, inserting the swab-member and the base, in an insertion direction, from outside the housing through the entry opening into the channel, advancing the swab-member, in the insertion direction, to and through the swab-member passage into the chamber until the swab-member passage prevents the base from entering the swab-member passage, and - to prevent, in the holding condition whilst the swab-member passage blocks the base in the insertion direction and the swab-member projects through the swab-member passage into the chamber, the base from movement into a direction opposite to the insertion direction; - to allow, in the non-holding condition, inserting the swab-member and the base, in an insertion direction, from outside the housing through the entry opening into the channel, advancing the swab-member, in the insertion direction, to and through the swab-member passage into the chamber until the swab-member passage prevents the base from entering the swab-member passage, and - to prevent, in the holding condition whilst the swab-member passage blocks the base in the insertion direction and the swab-member projects through the swab-member passage into the chamber, the base from movement into a direction opposite to the insertion direction;