blood sample (IMAGE) Walter and Eliza Hall Institute Caption The COVID PROFILE study will use blood samples from people in Victoria to look in detail at immune responses to COVID-19. Credit Walter and Eliza Hall Institute of Medical Research. 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.