Female Anopheles albimanus mosquito feeding on a human host
Malaria is responsible for approximately 445,000 deaths every year. That number may be due to drop, however, as scientists have found that a human-safe blue dye kills parasites in patients' bloodstreams within two days – that's faster than has ever been possible before.
Colorized electron micrograph of red blood cell infected with malaria parasites (blue). The small bumps on the infected cell show how the parasite remodels its host cell. Uninfected cells (red) have smoother surfaces.