STING_LEMON (IMAGE) University of North Carolina Health Care Caption Inside a rhinovirus-infected human cell: Red represents rhinovirus RNA, which is in close proximity to STING protein (green). Cell nucleus is blue. Credit Maryna Kapustina, PhD, UNC School of Medicine Usage Restrictions credit properly 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.