Screwworm spreads beyond initial control area
Cattle were grazing on a farm in Quemado, Texas, on June 2. (Brandon Bell/Getty Images North America/Bloomberg) June 15, 2026 1:44 pm, EDT key takeaways: New World screwworm infection in Texas has expanded beyond the initial area to at least a dozen cases, including in cattle and sheep, prompting stepped-up containment efforts. The parasite threatens