Borrelia Burgdorferi (IMAGE) Virginia Tech Caption A high-resolution fluorescent image of Borrelia burgdorferi, the bacterium that causes Lyme disease (left). Image of an adult black-legged tick (or deer tick) that transmits Lyme disease (center). A black-legged nymph tick captured using dark-field microscopy (right). Images courtesy of Brandon Jutras. Credit Brandon Jutras for Virginia Tech Usage Restrictions None 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.