Toxoplasma gondii—otherwise known as Toxo—is a parasite that infects one fourth of the world’s human population. While Toxo remains alive within most of its hosts, the active acute forms of the parasite are quickly suppressed by the immune system and transform into slow-growing chronic cysts.
Click here for original story, Positive feedback loop drives transition of Toxoplasma gondii to chronic stage
Source: Phys.org