Prevalence and associated risk factors of infection in Lower Myanmar.

Trop Med Health

2Division of Parasitology, Department of Infectious Diseases, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki, 889-1692 Japan.

Published: December 2018

Background: Strongyloidiasis is prevalent in Southeast Asian regions along with other soil-transmitted helminthiases, but only limited present-day data was available for Myanmar.

Methods: A prevalence survey for infection was conducted among villagers in rural areas of three townships located in the Lower Myanmar during 2014-2016 by agar plate culture method in combination with specific identification by molecular assays. Risk factors associated with infection were assessed by analyzing questionnaires obtained from study participants.

Results: was identified in 40 out of 703 participants (5.7% overall prevalence). The highest prevalence (14.4%) was observed in Htantabin, while other two communities (Thabaung and Thanlyin) had much lower prevalence (2.2 and 2.5%, respectively). Infection was relatively rare (1.2%) in younger generations under 20 years compared to older generations (9.5%). Even in Htantabin, none of the female residents under age 40 ( = 33) had infection. In adult Htantabin residents, those who answered that they do not wear shoes regularly had an elevated risk of infection (odds ratio = 2.50, 95% confidence interval = 1.03-6.08).

Conclusions: This study showed that there is still an on-going transmission of strongyloidiasis in Lower Myanmar. It is highly desirable that the soil should be free of fecal contamination by improving the management of fecal waste. Meanwhile, health education to promote shoe-wearing would be beneficial to reduce the risk of transmission, especially for those who have frequent and intense contact with soil.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6299610PMC
http://dx.doi.org/10.1186/s41182-018-0126-5DOI Listing

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