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Volume 18, Number 5—May 2012
Letter

High Anti–Phenolic Glycolipid-I IgM Titers and Hidden Leprosy Cases, Amazon Region

Claudio Guedes SalgadoComments to Author , Denis Vieira Gomes Ferreira, Marco Andrey Cipriani Frade, Layana de Souza Guimarães, Moisés Batista da Silva, and Josafá Gonçalves Barreto
Author affiliations: Federal University of Pará, Marituba, Brazil (C.G. Salgado, D.V.G. Ferreira, L.S. Guimarães, M.B. Silva, J.G. Barreto); Federal University of Pará, Belém, Brazil (C.G. Salgado, M.B. Silva); São Paulo University–Faculty of Medicine, São Paulo, Brazil (M.A.C. Frade); Dr Marcello Candia Reference Unit in Sanitary Dermatology of the State of Pará, Marituba (L.S. Guimarães); Federal University of Pará, Castanhal, Brazil (J.G. Barreto)

Main Article

Table

New leprosy cases detected among selected households, Oriximiná, Pará State, Brazilian Amazon, 2010

Group Household contact anti–PGL-I IgM ELISA result No. households visited No. persons examined No. new cases
Among persons previously tested Among contacts of persons previously tested Total†
Leprosy patients Positive 14 43 9 4 13
Negative 11 42 1 1 2
Students Positive 11 84 5 5 10
Negative 8 53 1 4 5
Total 44 222 16 14 30

*Households were selected from among 35 leprosy patients encountered during the first visit (25 households, 14 with an anti–PGL-I–positive contact in the household and 11 without) and among students with results of anti–PGL-I serology (19 households, 11 with an anti–PGL-I–positive contact in the household and 8 without). PGL-I, phenolic glycolipid-I.
†Fisher exact test comparing case-patients and non–case-patients among those positive or negative for anti-PGL-I IgM revealed a statistically significant difference (p = 0.0280).

Main Article

Page created: April 06, 2012
Page updated: April 06, 2012
Page reviewed: April 06, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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