skin disease smallpox MESH:D012899 ICD9CM:050 GARD:7444 NCI:C35027 SNOMEDCT_US_2020_03_01:266193008 disease_ontology DOID:8736 ICD10CM:B03 Ordinary smallpox UMLS_CUI:C0037354 A viral infectious disease that results in infection located in skin, has_material_basis_in Variola virus, 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. viral infectious disease