A dangerous new coronavirus discovered in China could spark the next pandemic, scientists warn. American researchers say the new HKU5-CoV-2 virus is just one 'small' mutation away from being able to infect and cause outbreaks in humans. The discovery is causing alarm because the pathogen is closely related to MERS, a highly lethal virus that kills up to a third of those it infects. Adding to the controversy is the fact HKU5 was first documented in bats by researchers from the Chinese lab where Covid is feared to have leaked from. For the latest study, a team from Washington State...