This news item from Cornell Research is about: As human populations have increased around the world, people have increasingly encroached on wildlife habitats. Often the animals lose in these encounters, but for humans there has also been a price to pay: previously unknown, deadly diseases that have jumped from animals to humans. Ebola is one of the most well-known, but there are others—viruses that have lived with their animal hosts for thousands of years in a carefully orchestrated balance where neither host nor virus can completely destroy the other.