The microfluidic device (IMAGE) City University of Hong Kong Caption A microfluidic device that can quantify and display the COVID-19 antibody level as a length of a visual bar, developed by Dr Chen Ting-Hsuan’s research team at City University of Hong Kong. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit License Original 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.