Dr. Michael Gale (right) (IMAGE) UT Southwestern Medical Center Caption Researchers led by Dr. Michael Gale (right), associate professor of microbiology, compared the genetics of an illness-causing Texas strain of the West Nile virus to a harmless African strain and discovered that the virus evades the body’s immune defenses by blocking immune signaling by a protein receptor, a finding that could pave the way for a vaccine. Brian Keller, a student in the Medical Scientist Training Program, is first author of the study. Credit UT Southwestern Medical Center 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.