Lambda Virus in the Lab (IMAGE) University of California - San Diego Caption UC San Diego biologists in Justin Meyer's laboratory studied the lambda virus, which infects bacteria but not humans, through lab experiments that provided evidence for a new path of evolution. Credit UC San Diego Usage Restrictions To be used in conjunction with March 30, 2018 UC San Diego Science paper on virus evolution. 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.