Zika Virus Showing M6A, UC San Diego School of Medicine (image) University of California - San Diego Share Print E-Mail Caption Human cells modify viral RNA with m6A as a means to get rid of the infection. M6A (shown here as red balls) is a beacon for human enzymes (yellow moons) that destabilize viral RNA. Credit UC San Diego Health Usage Restrictions Use photo credit as indicated 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.