TY - GEN
T1 - Operational Performance of the Onchocerca volvulus “OEPA” Ov16 ELISA Serological Assay in Mapping, Guiding Decisions to Stop Mass Drug Administration, and Posttreatment Surveillance Surveys
AU - Richards Jr., Frank O.
AU - Katabarwa, Moses
AU - Bekele, Firdaweke
AU - Tadesse, Zerihun
AU - Mohammed, Aderajew
AU - Sauerbrey, Mauricio
AU - Dominguez Vazquez, Alfredo
AU - Rodríguez Pérez, Mario Alberto
AU - FERNANDEZ SANTOS, NADIA ANGÈLICA
AU - Rizzo, Nidia
AU - Schuler Martínez,, Harland R.
AU - Silva, Raquel Lovato
AU - Monroy, Zoraida Morales
AU - Habomugisha, Peace
AU - Oguttu, David W.
AU - Zarroug, Issam M.A.
AU - Aziz, Nabil A.
AU - Unnasch, Thomas R.
PY - 2018/7/16
Y1 - 2018/7/16
N2 - Onchocerciasis is a neglected tropical disease targeted for elimination. The World Health Organization (WHO) has developed guidelines for the verification of onchocerciasis elimination that include entomological and epidemiological criteria. The latter require demonstrating with statistical confidence that the infection prevalence in children is less than 0.1%, necessitating an assay with a high degree of specificity. We present an analysis of the performance of the Onchocerciasis Elimination Program for the Americas (OEPA) version of the Ov16 enzyme-linked immunosorbant assay (ELISA) when used under operational conditions. In Africa and Latin America, the assay demonstrated 99.98% specificity in 69,888 children in 20 foci where transmission was believed to be interrupted. The assay produced a prevalence estimate equal to that of skin snip microscopy when applied in putatively hypo-endemic zones of Ethiopia. The OEPA Ov16 ELISA demonstrated the specificity required to be effectively deployed to verify transmission elimination under the WHO guidelines, while exhibiting a sensitivity equivalent to skin snip microscopy to identify hypo-endemic areas.
AB - Onchocerciasis is a neglected tropical disease targeted for elimination. The World Health Organization (WHO) has developed guidelines for the verification of onchocerciasis elimination that include entomological and epidemiological criteria. The latter require demonstrating with statistical confidence that the infection prevalence in children is less than 0.1%, necessitating an assay with a high degree of specificity. We present an analysis of the performance of the Onchocerciasis Elimination Program for the Americas (OEPA) version of the Ov16 enzyme-linked immunosorbant assay (ELISA) when used under operational conditions. In Africa and Latin America, the assay demonstrated 99.98% specificity in 69,888 children in 20 foci where transmission was believed to be interrupted. The assay produced a prevalence estimate equal to that of skin snip microscopy when applied in putatively hypo-endemic zones of Ethiopia. The OEPA Ov16 ELISA demonstrated the specificity required to be effectively deployed to verify transmission elimination under the WHO guidelines, while exhibiting a sensitivity equivalent to skin snip microscopy to identify hypo-endemic areas.
KW - Oncocercosis
KW - surveillance surveys
KW - Serología
M3 - Artículo
SN - 0002-9637
VL - 99
SP - 749
EP - 752
JO - The American journal of tropical medicine and hygiene
JF - The American journal of tropical medicine and hygiene
ER -