Norwegian Scabies

The epidemiology of scabies in an impoverished community in rural Brazil: Presence and severity of disease are associated with poor living conditions and illiteracy

“…A low level of education has been identified as a risk factor for scabies in developing and industrialized countries. 20,50 Because illiteracy usually goes along with a low socioeconomic status, the inability to read and write can be taken as a proxy for poor living conditions. In fact, variables that are direct or indirect indicators of poverty (eg, poor housing, no access to electricity, low monthly family income) were significantly associated with the presence of scabies and severity of disease.…”

Norwegian Scabies in Homozygous Twins

“…Today the most accepted opinion is that Norwegian scabies is an infestation with the Sarcoptes scabiei var hominis. This is proved by many reports of epidemics of typical scabies in other patients or in medical persons [1,3,7,9], D egos' [4] opinion is that this form of scabies usually occurs in old people, mainly in male mongols, with absence of or reduced pruritus [6,7,10]. Nutritional deficiency seems to be a possible factor in some cases and severe systemic diseases as leukemia, diabetes [4] and reticuloendotheliosis [2].…”

“…According to Pick [8], Norwegian scabies is one of the rarest diseases in dermatology. Since the first publications by D anielsen and Boeck in 1844, 139 cases have been described, 10 of which are in the American literature [7], During the existing epidemic of scabies, which persisted for about 10 years, we personally have registered 20,000 cases of ordinary scabies. Among them we have discovered only 2 cases of Norwegian scabies.…”

A Case of Norwegian Scabies

“…Since then cases have been reported at odd intervals. According to Maguire and Kligman (1960), up tiU 1960 only ten cases had been reported in the American literature-they reported four' more.…”