1.) “In addition to urine, breast milk from two lactating women with erythema migrans was tested and also found reactive.”
Diagn Microbiol Infect Dis. 1995 Mar;21(3):121-8.
Detection of Borrelia burgdorferi DNA by polymerase chain reaction in the urine and breast milk of patients with Lyme borreliosis. Schmidt BL1, Aberer E, Stockenhuber C, Klade H, Breier F, Luger A.
http://www.ncbi.nlm.nih.gov/pubmed/7648832
2.) “PCR has been used to demonstrate the spirochetes in EM, ACA, and borrelial lymphocytoma skin biopsy specimens; se rum, plasma, and bone marrow; CSF, brain biopsy, sural nerve biopsy, and vitreous fluid; synovial fluid and membrane; urine; breast milk; placental tissue; and various animal hosts and tick vectors (See section Diagnosis and Differential Diagnosis: Diagnostic Tests: Polymerase Chain Reaction).” Remington and Klein. Infectious Diseases of the Fetus, Gardner, T. 5th ed. Chap. 11, pg 529, 2001.
3.) “Lyme spirochetes/DNA have been recovered from stored animal semen. Recovery of spirochete DNA from nursing mother's breast milk and umbilical cord blood by PCR (confirmed by culture/microscopy), have been found in samples...” Recovery of Lyme spirochetes in semen samples of previously diagnosed Lyme disease patients.Bach, G. International Lyme Disease Conf, Farmington, CT 2001.
https://sites.google.com/site/marylandlyme/sexual-transmission