The US Department of Agriculture (USDA) has confirmed the first case of the New World screwworm in New Mexico, taking the total number of known US cases to five. Officials said the parasite was discovered in a dog living in Lea County, close to the state's border with Texas, where four cases have already been identified over the past week. The New World screwworm is one of the world's most feared parasites. Female flies lay hundreds of eggs in open wounds on animals – and in rare cases humans –

Tag-uri: Agricultura