U.S. New World Screwworm cases rise to 20 as Texas outbreak expands (opens original article in a new tab)

The U.S. reports 20 New World screwworm cases, mostly in Texas, prompting emergency quarantines and containment efforts. The parasite affects livestock and has spread to a dog, but public risk is low.

• U.S. New World screwworm cases rise to 20, with 19 in Texas and one in New Mexico.
• Texas activates emergency operations center and enforces strict animal movement quarantines.
• First case confirmed in a dog, but public health risk remains low.