Chip used in the study (IMAGE) University of California - San Diego Caption Researchers use this chip to analyze the microbes present in whole blood samples. Credit David Baillot/University of California San Diego Usage Restrictions Please 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.