disease has feature disease has infectious agent Lymphadenopathy viral infectious disease milker's nodule https://www.malacards.org/card/milkers_nodule MONDO:0005850 DOID:8729 Virus diseases caused by the poxviridae. MESH:D011213 SCTID:27240009 UMLS:C0026143 ICD9:051.1 Pseudocowpox ICD9:051.9 MEDGEN:44449 Pseudocowpox virus