Fig. 3From: The inverted cup device for blood transfer on malaria RDTs: ease of use, acceptability and safety in routine use by health workers in NigeriaObservation of health workers doing blood transfers with the inverted cup BTD and the pipette. 1 = successful blood collection in one attempt; 2 = the device was appropriately filled with blood; 3 = blood was not unintentionally released from BTD before reaching RDT; 4 = successful blood deposit in one attempt; 5 = blood did not touch the health workers gloves, skin or clothing at any time; 6 = no blood remaining in the BTD after deposit in the RDT well. N number of observationsBack to article page