primary bacterial infectious disease syphilis https://www.malacards.org/card/syphilis NCIT:C35055 Treponema pallidum infectious disease MESH:D013587 EFO:0007504 GARD:0027732 A contagious bacterial infection caused by the spirochete Treponema pallidum. It is a sexually transmitted disorder, although it can also be transmitted from the mother to the fetus in utero. Typically, it is initially manifested with a single sore which heals without treatment. If the infection is left untreated, the initial stage is followed by skin rash and mucous membrane lesions. A late stage follows, which is characterized by damage of the internal organs, including the nervous system. MONDO:0005976 SCTID:76272004 ICD9:097.9 MedDRA:10062120 UMLS:C0039128 Treponema pallidum disease or disorder MEDGEN:21447 Treponema pallidum caused disease or disorder icd11.foundation:455894495 DOID:4166 Treponema infectious disease obsolete_syphilis