Armadillo (image) Ecole Polytechnique Fédérale de Lausanne Caption An armadillo in the Southern United States. Armadillos are the only other known carriers of leprosy bacilli, but cross-species contamination remains rare. Credit Heidi and Hans-Jürgen Koch/heidihanskoch.com Usage Restrictions For web use only. For print quality, please contact photographer. 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.