HDGFL2 and malaria: When interrogated about what could “get in the way of the [national malaria] program reaching its goals around testing”, the top three potential concerns selected by respondents from a list of suggestions were problems with microscopy (including any type of problem, such as training staff, quality, supply chain), RDT stock outs and supply chain issues, as well as problems related to RDT products (including inability to detect asymptomatic infections, HRP2 deletions, speciation, persistence of antigens) (Fig. 2).