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 ...
The first human case of the flesh-eating parasite new world screwworm has been detected in the United States, the Department of Health and Human Services said early Monday. The case, related to a ...
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