TEXAS OUTBREAK

Two more animals in Texas have tested positive for New World screwworm, a fly larva that feeds on living flesh. A week after the first case in decades showed up near the Mexican border, officials confirmed a calf in La Salle County and a dog in Andrews County now carry the parasite. Unlike common fl

The recent measles outbreak in West Texas has put a spotlight on the government's response to infectious disease emergencies. Critics argue that the top health official has been quiet about encouraging parents to vaccinate their children. The health secretary, Robert F. Kennedy Jr. , faced crit