Also cool how it disseminates through the brain: "Researchers in Sweden report that the parasite fans out through the body by manipulating mobile cells that ar

Also cool how it disseminates through the brain: "Researchers in Sweden report that the parasite fans out through the body by manipulating mobile cells that are part of the immune system." http://www.nytimes.com/2006/06/20/science/20toxo.html http://www.nytimes.com/2006/06/20/science/20toxo.html, see also http://blogs.discovermagazine.com/loom/2006/06/20/toxoplasma-on-the-brain/ http://blogs.discovermagazine.com/loom/2006/06/20/toxoplasma... This is interesting because it's very hard to penetrate the blood-brain barrier. One could imagine an engineered toxoplasma that delivers drugs to the brain via this route.