A parasite that lives in human blood has been pulling off a strange trick for decades. It covers itself in a dense coat of proteins so the immune system struggles to recognize it, yet it somehow ...

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Scientists have unraveled a 40‑year‑old mystery at the heart of sleeping sickness, uncovering how a deadly parasite behind the life-threatening disease repeatedly slips past the human immune system ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have unraveled a 40‑year‑old mystery at the heart of ...