Monday's confirmation brings the total number of cases in the U.S. to 16, per the Department of Agriculture.

The U.S. Department of Agriculture confirmed a second case of New World screwworm in Zavala County on Friday, just hours after Gov. Greg Abbott expanded a statewide disaster declaration in response to ...

LA PRYOR, Texas/MEXICO CITY - A second case of the flesh-eating screwworm parasite was confirmed in Texas by the U.S. Department of Agriculture on June 5, emerging just miles from where the first U.S.

Texas New World screwworm cases hit five as USDA confirms new case in a calf in La Salle County on Tuesday. Here's what we know.

The threat of the New World screwworm continues nearly three weeks after the first reported case of the parasitic fly in the United States.

Add Yahoo as a preferred source to see more of our stories on Google. One month into the New World screwworm outbreak in Texas and the first parasitic fly detection in the United States after it was ...

Two new cases push U.S. screwworm totals to 27 as a Mexico sterile fly plant opens. See the Texas county breakdown and counties now under quarantine.

The U.S. Department of Agriculture says the United States' food supply is not at risk after confirming two more cases of the ...

Federal and state officials have confirmed another New World screwworm case in Texas livestock, bringing the U.S. total to 32 ...

Add Yahoo as a preferred source to see more of our stories on Google. New World screwworm (NWS) flies during the inauguration of a sterile screwworm fly production facility in Metapa, Chiapas state, ...

One month into the New World screwworm outbreak in Texas and the first parasitic fly detection in the United States after it was eradicated in 1966, cases continue to grow. Two new confirmed cases ...