A canine virus could be the springboard for developing a super potent human vaccine thanks to a University of Georgia discovery. ’We can use this virus as a vector (delivery vehicle) for all kinds of pathogens that are difficult to vaccinate against’ said Biao He principal study investigator and professor of infectious diseases at University of Georgia College of Veterinary Medicine. Georgia researchers said this virus could also help protect humans against diseases that have eluded vaccine efforts for decades the journal Public Library of science ONE reported. Although harmless in humans parainfluenza virus 5 or PIV5 is believed to contribute to