parasite

Animal rescue leaders say new rules meant to prevent the spread of the livestock parasite make sense. But they are also costly for overcrowded shelters in Texas, which transfer many pets to other states.

Cases of the intestinal illness, which can cause explosive diarrhea, rose to nearly 300 this week in Kansas, up from 55 last week, according to numbers from the state.

The Canadian Food Inspection Agency is barring horses, pigs, cattle and other animals from Texas due to concerns over New World screwworm, a parasitic fly.

There have been dozens of cases of cyclosporiasis reported in Colorado this year, but they are not linked to big outbreaks happening elsewhere in the United States

Cases of cyclosporiasis, an infection caused by microscopic parasites, are being tracked in the state. Here's what to know and how to avoid this nasty stomach tourist.

Federal and state health officials are investigating a multistate outbreak of cyclosporiasis, with cases reported in Texas and 16 other states. The CDC has not identified the source, though previous outbreaks have been linked to contaminated fresh produce.

The latest confirmed infestation was found in a sheep in Sutton County, adding to concerns that the flesh-eating parasite is spreading beyond South Texas.

On Monday, state Rep. Don McLaughlin said the parasitic fly that threatens the state's cattle industry was 1 mile away. U.S. officials said that was not yet true.

One agriculture official fighting the flies says it's no foregone conclusion that they'll reach Texas.

The detection in a six-day-old calf marks the first appearance of the parasite in the Mexican state of Tamaulipas.