Figure 4From: Field trial of three different Plasmodium vivax- detecting rapid diagnostic tests with and without evaporative cool box storage in AfghanistanExamples of invalid RDT results. Photos of invalid RDTs (A - C) and one functional RDT (D). Panel A shows error type 1 (blood did not clear after 20 minutes); Panel B shows error type 2 (control line not reached by the sample after 20 minutes); Panel C shows error type 3 (control line did not appear after 20 minutes).Back to article page