Most people exposed to the parasites behind babesiosis don't get sick, but for others, the infection can be deadly. Woman's 'biologically implausible' infection led her to sneeze 'worms' out of her ...

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A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma gondii cysts contain multiple parasite subtypes, not just one sleeping form.

A new Nature study shows how parasite-driven inflammation in the gut activates a tuft cell to serotonin to vagus nerve pathway, helping explain why infection can suppress appetite. Study: Parasites ...