Measles has now spread to all 31 Mexican states and Mexico City, with 7,131 cases reported over the past year and 24 deaths ...

Add Yahoo as a preferred source to see more of our stories on Google. A sample of screwworms collected in the morning are displayed at the veterinary clinic as the Mexican government and ranchers ...

Mexico confirmed a new case of New World screwworm (NWS) on Monday in Sabinas Hidalgo, less than 70 miles from the U.S.-Mexico border. This is now the northernmost detection of NWS during this ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: Larvae of the screwworm fly, collected from infected cows, are observed at the COPEG sterile fly production plant, ...

Mexico activated emergency controls Monday after detecting a new case of New World screwworm in cattle in the northern border state of Nuevo Leon, the closest case to the U.S. border since the ...

Mexico activated emergency controls Monday after detecting a new case of New World screwworm in cattle in the northern border state of Nuevo Leon state, the closest case to the U.S. border since the ...