An apparatus comprising a substrate, the substrate having supported thereon: plural collectors each for collecting a bodily fluid from the surface of a body part placed adjacent thereto at least two pairs of electrodes integral with each of the collectors an analyser for analysing each collected bodily fluid, wherein the analyser comprises a controller, wherein each of the at least two pairs of electrodes are connected to the analyser and wherein the analyser is configured to analyse at least one electrical signal received via a first pair of the at least two pairs of electrodes and a display for displaying an indication of a result of each analysis, wherein the apparatus is configured to activate the analyser in response to a predetermined electrical signal received via a second pair of at least two pairs of electrodes.
