1921
Volume 23, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

With standardized technics and a Coca's extract of worms (Philippine-Leyte strain) at 27 to 30 µg N/ml as antigen, the intradermal test (immediate reaction) for schistosomiasis japonica in the Philippines showed an overall sensitivity of 88.2% among known infected individuals and a non-specificity of 3% among uninfected Filipinos. Sensitivity was 95% or better in those 12 years or older, but significantly less (65%) in younger individuals. A false-positive rate of up to 9% was found among American Peace Corps volunteers in the Philippines; a false-positive response of 37.5% was found in Filipinos infected with . Antigens prepared from and worms were significantly less sensitive in detecting schistosomiasis japonica; however, an antigen prepared from the Japanese strain of had a comparable sensitivity to the antigen prepared from the Philippine-Leyte strain.

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/content/journals/10.4269/ajtmh.1974.23.393
1974-05-01
2017-11-18
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1974.23.393
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  • Accepted : 05 Oct 1973

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