DO_infectious_disease_slim DO_rare_slim gram-negative_bacterial_infectious_disease has symptom commensal bacterial infectious disease Lemierre's syndrome A commensal bacterial infectious disease that is characterized by systemic sepsis, ulcerative or necrotic lesions and multisystem abscesses caused by Fusobacterium necrophorum. The disease often first presents as a severe tonsillitis or pharyngitis with high-grade fever and chills together with leukocytosis, cervical pain and neck swelling. MESH:D005674 SNOMEDCT_US_2025_09_01:52542005 disease_ontology ICD9CM:040.3 UMLS_CUI:C0027537 DOID:11337 GARD:6882 Lemierre syndrome acute sore throat human necrobacillosis postanginal sepsis leukocytosis abscess chills