Jovin Choo (IMAGE) University of Queensland Caption UQ PhD candidate Jovin Choo holding a high-density microarray patch, which could help vaccinate for dengue in a single click. Credit The University of Queensland 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.