Malaria is a devastating disease caused by the Plasmodium parasite. After an infected mosquitos' bite, the parasites travel to the liver and infect liver cells. This phase of the infection is ...

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 ...