sentences:  Parechovirus B was first isolated from bank voles ("Myodes glareolus", formerly "Clethrionomys glareolus") in the mid-1990s.Human parechovirus type 3 (HPeV3) was found in at least 20 U.S. young infants in 2014.Those numbers include a set of identical triplets from central Wisconsin, who contracted the virus and were diagnosed nearly two months later after a flurry of tests, as this was the first known case in those health systems.