Cells Infected with Rabies Virus (IMAGE) Princeton University Caption Rodent neuroblastoma cells appear red after infection with a rabies virus that expresses a fluorescent fusion protein. Viral proteins are present in the round cell bodies as well as the extended neural processes. Credit Margaret MacGibeny Usage Restrictions Margaret MacGibeny 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.