Parasitic disease: Worms
Parasitic worms are a major public health problem. Thriving in numerous parts of the world associated with poor sanitation or water, these parasites have devised ingenious mechanisms that allow them to enter the human body, resulting in serious disease.
How environment and living conditions can lead to infection by a range of energy sapping intestinal worms.
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By exploiting humans and fresh water snails, this parasite uses rivers and streams to transfer between the two animals, using each for a specific phase of its life cycle.
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This animation shows the complete life cycle of tiny parasitic worms as they move between human and mosquito hosts.
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