Farmer with Cattle (IMAGE) Swansea University Caption New research by Swansea University discovered that livestock are of central importance for the spread of both RNA and DNA viruses. Credit Swansea University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.