Recent health concerns have emerged globally: contaminated water in India has resulted in deaths and hospitalizations; South ...

On May 11, 2025, the U.S. border with Mexico was closed to cattle and other livestock. The borders were reopened then closed ...

The first case of New World screwworm has been found in a calf in the northern Mexican border state of Tamaulipas.

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

The fly larvae, which can burrow into living flesh, pose a severe threat to livestock, wildlife, pets, and in rare cases, humans. Once eggs are laid in an open wound, the larvae hatch and feed on ...

On Dec. 26, 2025, a case of New World Screwworm (NWS) was identified in a six-day-old calf located approximately 197 miles ...

A second case of the New World screwworm was detected in a goat in Mexico's central state, following an earlier case in a cow ...

Mexican authorities reported a case of the New World screwworm parasite late on Thursday, the second case reported in two ...

Texas Agriculture Commissioner Sid Miller responded to the confirmation from Mexico’s National Service of Agro-Alimentary ...

New World screwworm has been confirmed 197 miles from the U.S.-Mexico border.  This is the first reported case in Tamauliapas, and the northernmost active detection to date.  Mexico’s National ...

The United States kept its border with Mexico closed to cattle for much of 2025 to protect its herds from the New World ...

Texas Ag Commissioner Sid Miller urges vigilance after a screwworm case is confirmed in northern Mexico, just 197 miles from ...