Swabbing Newts (IMAGE) Zoological Society of London Caption Scientists swab the underside of newts as a noninvasive method to test whether amphibians are infected with the deadly Bsal fungus. Credit Liam Fitzpatrick Usage Restrictions MUST CREDIT. 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.