Epithelial Cells (IMAGE) Experimental Biology Caption Human vaginal epithelial cells expressing the UFO (AXL) receptor. Zika uses this receptor as a portal of entry into permissive cells. Credit James Mungin Jr., Meharry Medical College 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.