Infectious Agent Detection (IMAGE) North Carolina State University Caption Ultraviolet powder is used to detect breaks in biosecurity. The glowing residue indicates transmission of an infectious agent, alerting the responder to take measures necessary to contain the outbreak. Credit Wendy Savage, North Carolina State University Usage Restrictions Photo credit must be given. 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.