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Secondary Mapping of Lymphatic Filariasis in Haiti-Definition of Transmission Foci in Low-Prevalence Settings

Overview of attention for article published in PLoS Neglected Tropical Diseases, October 2012
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Title
Secondary Mapping of Lymphatic Filariasis in Haiti-Definition of Transmission Foci in Low-Prevalence Settings
Published in
PLoS Neglected Tropical Diseases, October 2012
DOI 10.1371/journal.pntd.0001807
Pubmed ID
Authors

Naomi Drexler, Charles H. Washington, Maribeth Lovegrove, Caroline Grady, Marie Denise Milord, Thomas Streit, Patrick Lammie

Abstract

To eliminate Lymphatic filariasis (LF) as a public health problem, the World Health Organization (WHO) recommends that any area with infection prevalence greater than or equal to 1% (denoted by presence of microfilaremia or antigenemia) should receive mass drug administration (MDA) of antifilarial drugs for at least five consecutive rounds. Areas of low-antigen prevalence (< 1%) are thought to pose little risk for continued transmission of LF. Five low-antigen prevalence communes in Haiti, characterized as part of a national survey, were further assessed for transmission in this study. An initial evaluation of schoolchildren was performed in each commune to identify antigen-positive children who served as index cases for subsequent community surveys conducted among households neighboring the index cases. Global positioning system (GPS) coordinates and immunochromatographic tests (ICT) for filarial antigenemia were collected on approximately 1,600 persons of all ages in the five communes. The relationship between antigen-positive cases in the community and distance from index cases was evaluated using multivariate regression techniques and analyses of spatial clustering. Community surveys demonstrated higher antigen prevalence in three of the five communes than was observed in the original mapping survey; autochthonous cases were found in the same three communes. Regression techniques identified a significantly increased likelihood of being antigen-positive when living within 20 meters of index cases when controlling for age, gender, and commune. Spatial clustering of antigen-positive cases was observed in some, but not all communes. Our results suggest that localized transmission was present even in low-prevalence settings and suggest that better surveillance methods may be needed to detect microfoci of LF transmission.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Indonesia 1 3%
Unknown 28 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 9 31%
Student > Ph. D. Student 5 17%
Student > Master 5 17%
Student > Postgraduate 4 14%
Student > Bachelor 3 10%
Other 3 10%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 24%
Medicine and Dentistry 7 24%
Unspecified 5 17%
Social Sciences 4 14%
Nursing and Health Professions 2 7%
Other 4 14%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 12 October 2012.
All research outputs
#9,669,384
of 12,091,105 outputs
Outputs from PLoS Neglected Tropical Diseases
#4,762
of 5,486 outputs
Outputs of similar age
#85,584
of 119,803 outputs
Outputs of similar age from PLoS Neglected Tropical Diseases
#86
of 104 outputs
Altmetric has tracked 12,091,105 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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