Seroprevalence of Sarcoptes scabiei var canis antibodies among aborigines in peninsular Malaysia.

Y Normaznah, K Saniah, M Nazma, JW Mak… - The Southeast Asian …, 1996 - europepmc.org
Y Normaznah, K Saniah, M Nazma, JW Mak, M Krishnasamy, SL Hakim
The Southeast Asian journal of tropical medicine and public health, 1996europepmc.org
The Aborigines or Orang Asli in Peninsular Malaysia who are still seminomadic are known
to have a close association with dogs. In this study, enzyme-linked immunosorbent assay
(ELISA) was used to detect anti-Sarcoptes scabiei var canis antibodies in this community as
a measure of exposure to the mite. Out of 312 Orang Asli tested, 24.7% were positive for
polyvalent anti-Sarcoptes antibodies. No significant difference was found between the
positive rates in males (26.1%) and females (23.6%). Only 1.9% were positive for IgA and …
The Aborigines or Orang Asli in Peninsular Malaysia who are still seminomadic are known to have a close association with dogs. In this study, enzyme-linked immunosorbent assay (ELISA) was used to detect anti-Sarcoptes scabiei var canis antibodies in this community as a measure of exposure to the mite. Out of 312 Orang Asli tested, 24.7% were positive for polyvalent anti-Sarcoptes antibodies. No significant difference was found between the positive rates in males (26.1%) and females (23.6%). Only 1.9% were positive for IgA and none was positive for IgE anti-Sarcoptes antibodies. Since there were very few patients with clinical manifestation of scabies, there is a possibility that continuous exposure to the dogs mite confers cross-protective immunity in the community against human scabies.
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