Chinese researchers looked at influenza viruses found in pigs and discovered some alarming information.<br />According to HuffPost, a new flu virus found in Chinese pigs has become more infectious to humans.<br />Though experts say there is no imminent threat, the researchers said the "G4" strain of H1N1 should be watched closely.<br />That's because it has 'all the essential hallmarks' to become a potential 'pandemic virus.'<br />Pig farm workers also showed elevated levels of the virus in their blood, highlighting the risks of viruses crossing the species barrier into humans.