A parasitic fly whose larvae burrow into living flesh within hours of hatching has been confirmed in southern Texas, and on June 16, 2026, the U.S. Centers for Disease Control and Prevention activated a Level 3 Emergency Operations Center to coordinate the federal response.
According to HealthDay, the CDC is supporting the USDA and Texas Department of State Health Services after the parasitic infestation — New World screwworm — was found in domestic animals in southern Texas and one county in New Mexico. As of June 11, 2026, the USDA confirmed 12 cases in livestock, including sheep, cattle, and goats.