Answers are grounded in this paper and cite their sources.
10 nine-banded armadillos were infected by various routes with Treponema pallidum, Nichols strain. The animals did not demonstrate visible lesions but 4/7 animals responded with increasing titers of treponemal antibodies. Cardiolipin antibodies were not detected.
No takes yet. Share an insight, caveat, or question.
Wicher et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: