What to know about a mysterious dog respiratory illness. The pathogen is “a funky bacterium,” said Dr. David Needle, pathology section chief at the College of Life Sciences and Agriculture at the University of New Hampshire. “It’s smaller than a normal bacterium in its size and in the size of its genome. Long story short, it’s a weird bacterium that can be tough to find and sequence.”

https://www.nbcnews.com/health/health-news/mystery-dog-illness-respiratory-what-know-rcna125992