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Short Communications • Rev. Soc. Bras. Med. Trop. 49 (1) • Jan-Feb 2016 • https://doi.org/10.1590/0037-8682-0142-2015   copy

Occurrence of Mansonella ozzardi diagnosed using a polycarbonate membrane in a riverside population of Lábrea in the Western Brazilian Amazon

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract:

INTRODUCTION

Mansonella ozzardi is a widely distributed filaria worm in the Amazon region. This study aimed to determine the prevalence of M. ozzardi infection in riverine communities of Lábrea municipality, Amazonas State, Brazil.

METHODS

A diagnostic blood filtration method in a polycarbonate membrane was used.

RESULTS

M. ozzardi was found in 50.3% of the sample, with the highest prevalence in farmers/fishermen (69.4%; χ 2 = -19.14, p<0.001). The prevalence was higher in longer-term residents (≥11 years; 60.2%).

CONCLUSIONS

M. ozzardi infection rates are high near the Purus River, much greater than those previously reported based on diagnosis using thick blood smears.

Keywords:
Mansonelliasis; Mansonella ozzardi; Brazilian Amazon

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