Fruit Fly Infected by the Nora Virus (IMAGE) Umea University Caption The stomach of a fruit fly infected by the Nora virus. Cell nuclei of virus infected cells are illuminated in red with the use of the new method. Cell nuclei of uninfected cells are blue and muscle cells in green. Credit Jens-Ola Ekström Usage Restrictions This photo may only be used in contexts related to this news release. 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.