Dog Germs Diversify, May Threaten Humans with Flu Pandemics

If you lie with dogs, you might get fleas—or worse, an influenza virus that is completely unfamiliar to your immune defenses. The risk appears to be rising, says an international team of scientists that has been studying how influenza viruses jump from species to species. In a new study, these scientists present evidence that influenza virus can jump from pigs into canines, and that influenza is becoming increasingly diverse in canines.The scientists, who are affiliated with the Icahn Scho