A parasite tied to fresh produce has spread to nearly every state and is now linked to its first deaths, with lettuce under the microscope. Here's what health officials are saying.
Horses from Alberta are adding evidence that a serious parasitic disease is becoming more widespread in the province.
Every cell of the deadly Plasmodium falciparum parasite, the organism that causes malaria, contains a tiny compartment full of microscopic iron crystals. As long as the parasite is alive, the crystals ...
Everyone on Kauai is suffering from Lowell. Some are worse off than others.
It infects nearly one-third of the global population, yet its microscopic size makes the parasite difficult for scientists to study. That parasite is Toxoplasma gondii, a widespread organism that ...
A typical roundworm measures roughly 2.7% of the average length of a Bengal tiger or weighs just three-millionths of one ...
Every cell of the deadly Plasmodium falciparum parasite, the organism that causes malaria, contains a tiny compartment full of microscopic iron crystals. As long as the parasite is alive, the crystals ...