Swab Test for TB DNA in Monkey's Mouth (IMAGE) University of Washington Caption An Asian monkey is swabbed to check for tuberculosis DNA in her mouth. Credit Lynn Johnson Usage Restrictions For use by news media, museums, and educational institutions only. 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.