Genetically-Modified Parasites Could Save People from Malaria

You might feel the bite, you might not, but an infected mosquito has injected you with a parasite named Plasmodium falciparum, a single-cell protozoa that quickly takes up residence in your body. You don't feel a thing as the parasite infects your liver and begins to multiply. But then tens of thousands of parasites spill into your bloodstream and start eating their way through your red blood cells. You feed terrible. You have malaria. By genetically-modifying these same parasites, researchers in Seattle recently created a vaccine that appears to be safe and effective in generating an immune... more

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