Viral Villain (IMAGE) Cincinnati Children's Hospital Medical Center Caption The highly infectious and deadly Ebola virus is shown in this research photo from the National Institute of Allergy and Infectious Diseases. Ebola virus disease has an average fatality rate of about 50%, although rates in certain recent outbreaks have reached close to 90%, according to the World Health Organization. Researchers report in the Journal of Virology early development of a potential universal vaccine for Ebola. Preclinical tests show it may neutralize all four species of the virus infecting people. Credit NIAID Usage Restrictions Please credit NIAID 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.