Figure 5From: Improving community health worker use of malaria rapid diagnostic tests in Zambia: package instructions, job aid and job aid-plus-trainingBlood collection devices packaged with various RDTs. Plastic blood collection loop enclosed with the Paracheck Pf® rapid diagnostic test used in this study (bottom) and plastic straw and pipette packaged with other RDTs. All three have caused difficulties for some users.Back to article page