The malaria RDT costs about $0.25. To be clear this is a screening test - not a diagnostic test. An actual diagnostic would involve taking a small blood sample,

The malaria RDT costs about $0.25. To be clear this is a screening test - not a diagnostic test. An actual diagnostic would involve taking a small blood sample, smearing on a slide and looking for malaria plasmodium under a microscope. Not expensive but time consuming and requires a microscope and a trained technician.