DO_infectious_disease_slim DO_rare_slim NCIthesaurus has material basis in transmitted by disease has location skin disease smallpox MESH:D012899 ORDO:438279 ICD9CM:050 NCI:C35027 NCI:C35027 A viral infectious disease that results in infection located in skin, has_material_basis_in Variola virus (Orthopoxvirus variola), which is transmitted by droplets from oral, nasal or pharyngeal mucosa, transmitted by contact with the body fluids, or transmitted by fomites. The infection results in formation of lesions, first on the face, hands and forearms and later on the trunk. ICD10CM:B03 SNOMEDCT_US_2025_09_01:266193008 ICD9CM:050 UMLS_CUI:C0037354 GARD:7444 disease_ontology DOID:8736 ICD10CM:B03 UMLS_CUI:C0037354 MESH:D012899 viral infectious disease Orthopoxvirus variola contact transmission droplet spread transmission vehicle-borne fomite transmission zone of skin