Contact: Jelle Caers
Caption: The tsetse fly is quite unique in the insect world: it feeds exclusively on the blood of humans and animals, gives birth to live young and provides nutrition to its young by lactation. But in the invertebrate world, it's a killer: its bite can transfer the parasite that causes sleeping sickness. If left untreated, the disease is fatal.
Credit: Geoffrey M. Attardo, Research Scientist, Yale School of Public Health
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