Comparison (IMAGE) University of Washington Caption This graphic shows a comparison of a microneedle tuberculosis test with a traditional test administered with a hypodermic needle. The lower images show needle-depth problems that can occur with the conventional test. Credit Marco Rolandi, U of Washington Usage Restrictions Photo credit required. 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.