Malaria’s new guises

The complicated life cycle of the malaria parasite has just taken another swerve. Scientists have observed Plasmodium falciparum enjoying three distinct lifestyles in the blood of infected children. Two of these three states have never been seen before, and one of those two appears to cause an unusually severe illness.

RING CYCLE. The malaria parasite (yellow-white ovals) infects red blood cells (big red discs) during the “ring” stage of its complicated life cycle.