A parasite called Toxoplasma gondii infects an enormous number of people around the world. Scientists estimate that up to one ...

Scientists have uncovered a crucial weakness in the malaria parasite that could open the door to new treatments. Researchers identified a protein called Aurora-related kinase 1 (ARK1) that acts like a ...

A nasty parasite that is sometimes found in the water supply may soon be treatable, thanks to new research. This parasite, named cryptosporidium, is a single-celled organism that can cause a diarrheal ...

The mosquito-borne infectious disease malaria resulted in about 241 million clinical episodes and 627,000 deaths in 2020. In young children and pregnant women living in areas where the disease is ...

Parasite, zombie, leech—these words are often used to describe people in unkind ways. Many of us recoil when ticks, tapeworms, fleas, head lice or bed bugs are even mentioned. Coming across such ...

In 1967, Austrian–Brazilian immunologist Ruth Nussenzweig made a momentous discovery. By blasting malaria parasites with radiation, she could weaken them. When injected into mice, these feeble ...