The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

Mexico is projecting confidence that it will fend off a new set of 30% tariffs that President Donald Trump threatened ...

New cases of the New World Screwworms in Veracruz, Mexico have caused the U.S. Department of Agriculture to once again close southern borders to livestock days after reopening them. On ...

More than 37,000 years of infectious diseases in humans have been mapped by scientists, with academics pointing to one particular behaviour from our ancestors as playing a “key role” in their spread.