First U.S. Screwworm Case Since 1960s Prompts Texas Emergency Response

After a screwworm infestation was confirmed in a South Texas calf, officials launched an aggressive effort to prevent the parasite from spreading in the nation’s largest cattle-producing state.

After a screwworm infestation was confirmed in a South Texas calf, officials launched an aggressive effort to prevent the parasite from spreading in the nation’s largest cattle-producing state.

After a screwworm infestation was confirmed in a South Texas calf, officials launched an aggressive effort to prevent the parasite from spreading in the nation’s largest cattle-producing state.