Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...
Parasites can cause a wide range of diseases in humans, ranging from short-term to lifelong. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
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