malignant smallpox(redirected from pernicious smallpox)
malignant smallpox, usually of the hemorrhagic form.
Synonym(s): malignant smallpox
Farlex Partner Medical Dictionary © Farlex 2012
malignant smallpoxAn almost invariably fatal form of smallpox characterised by lesions that did not develop pustules but remained soft and flat.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.