syfilis syphilis http://id.loc.gov/authorities/subjects/sh85131679 http://purl.bioontology.org/ontology/MEDDRA/10062120 http://purl.bioontology.org/ontology/MESH/D013587 http://purl.bioontology.org/ontology/SNOMEDCT/76272004 http://purl.obolibrary.org/obo/DOID_4166 http://purl.obolibrary.org/obo/NCIT_C35055 https://en.wikipedia.org/wiki/Category:Syphilis https://en.wikipedia.org/wiki/Syphilis https://www.wikidata.org/wiki/Q41083 RC201-RC201.9 A primary bacterial infectious disease that is a sexually transmitted systemic disease, has material basis in Treponema pallidum subsp pallidum, which is transmitted by sexual contact, transmitted by blood product transfusion, transmitted by congenital method from mother to fetus or transmitted by contact with infectious lesions. If left untreated, produces chancres, rashes, and systemic lesions in a clinical course with three stages continued over many years. treponemal infectious disease treponema pallidum infection Glossary of HIV/AIDS-Related Terms