Required for Survival (image) Rockefeller University Share Print E-Mail Caption When miR-17 is inhibited (left), the BVDV virus can't replicate and kill its host cells (blue). As a result, fewer viral plaques (cloudy areas) form. Credit Laboratory of Virology and Infectious Disease of the Rockefeller University/Cell Host & Microbe Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. Share Print E-Mail 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.