Zika Virus in Human Placental Cells (IMAGE) University of Pennsylvania School of Medicine Caption Human placental cell line Jeg-3 can be readily infected by a circulating strain of Zika virus (left panel) and completely protected by treatment with nanchangmycin (right panel). All cells are shown in blue while virally infected cells are stained in green. Credit The laboratory of Sara Cherry, Perelman School of Medicine, University of Pennsylvania 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.