The tick may have bitten the woman's eardrum, with enzymes in its saliva causing severe pain, hearing loss and tinnitus.

An ecologist shares his passion for parasites. From their vital roles in nature, to strange super powers and extraordinarily complex life cycles, parasites are natural wonders worthy of protection.

If this saliva contains Plasmodia parasites, the victims will soon suffer severe fever, violent shivering, and profuse sweating — the telltale symptoms of malaria. "Malaria" is a misnomer.

The number of confirmed cases of a waterborne disease caused by a microscopic parasite have more than doubled, while more ...

However, about half of those who get the parasite experience no symptoms of the illness. Dr Tyler said the difference in the severity of disease might be explained by the proportion of "good" and ...

the risk of humans contracting these parasites is much lower and our bodies are no longer reaping those benefits. One study showed that patients infected with helminths experienced fewer symptoms of ...

Super lice are a strain of these parasites that are becoming more resistant ... not worked in addition to drug resistance: Super lice symptoms do not differ from normal lice infestations.

Parasites that cause the deadly illness known as sleeping sickness can spread beyond their native Africa as a result of mutations to key genes, a study shows. The findings reveal that climate ...