Malaria is a disease passed through the blood. It is typically passed to humans through the bite of an infected mosquito but can also be passed from mother to unborn child or during a blood transfusion from an infected donor.
Malaria is caused by a specific type of parasite.
Most often, a mosquito picks up the parasite when it bites someone with malaria. The mosquito can pass the parasite to a new person when it bites them. The parasite then travels to and multiplies in the liver.
After several days, the new parasites leave the liver and pass into the bloodstream. The parasites infect the red blood cells and within 48 hours, the infected red blood cells burst. The parasites then go on to infect more red blood cells.
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Last reviewedMay 2014by David L. Horn, MD, FACP
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