Sad to see commenters here not reading the article and just reacting to the headline. The article is about contagious vaccines for animals for diseases that do not currently spread to humans.
A technology cannot be fairly represented by the intent of its inventors. It's equivalent to describing the Manhattan project as "New technology aims to end WWII and provide cheap, clean power".
"Although the evolutionary factors underlying CMV’s [cytomegalovirus] species-specificity are not entirely known, there has never been a documented case in the wild or in a laboratory of a successful cross-species CMV infection."