| intestinal parasite | 1.25 | Their pupils suffer from intestinal parasites and poor nutrition. | ||
| malarial parasite | 0.72 | ...malarial parasites. | ||
| microscopic parasite | 0.66 | In healthy people, the microscopic parasite can cause flu-like symptoms. | ||
| adult parasite | 0.33 | The adult parasites live in the caecum and colon. | ||
| protozoan parasite | 0.33 | For example, spoiled food commonly contains toxoplasma, a protozoan parasite. | ||
| dangerous parasite | 0.26 | They were told they would be otherwise risking serious illness from dangerous parasites. | ||
| mosquito-borne parasite | 0.26 | Malaria is a disease caused by a mosquito-borne parasite. | ||
| new parasite | 0.26 | The clusters burst after a few days and the new parasites invade red blood cells and start another stage of the life cycle. | ||
| tiny parasite | 0.26 | The tiny parasite, a sabellid polychaete worm, is not a health hazard to humans. |