African Dogs (image) Virginia Tech Caption Virginia Tech wildlife scientist Kathleen Alexander examined how human behavior influences disease transmission between domestic and wild dogs in Africa. Credit Courtesy of the Virginia Tech College of Natural Resources Usage Restrictions The photo may be used with coverage and discussion of Kathleen Alexander's research. 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.