The prevalence of lymphatic filariasis infection and disease following six rounds of mass drug administration in Mandalay Region, Myanmar

Dickson, Benjamin F.R., Graves, Patricia M., Aye, Ni Ni, Nwe, Thet Wai, Wai, Tint, Win, San San, Shwe, Myint, Douglass, Janet, Bradbury, Richard S., and McBride, William J. (2018) The prevalence of lymphatic filariasis infection and disease following six rounds of mass drug administration in Mandalay Region, Myanmar. PLoS Neglected Tropical Diseases, 12 (11). e0006944.

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Lymphatic filariasis is widely endemic in Myanmar. Despite the establishment of an elimination program in 2000, knowledge of the remaining burden of disease relies predominantly on programmatic information. To assist the program, we conducted an independent cross-sectional household cluster survey to determine the prevalence of filariasis infection, morbidity and mass-drug administration coverage in four townships of the Mandalay Region: Amarapura, Patheingyi, Tada-U and Wundwin. The survey included 1014 individuals from 430 randomly selected households in 24 villages. Household members one year and older were assessed for antigenaemia using immunochromatographic test cards and if positive, microfilaraemia by night-time thick blood smear. Participants 15 years and older were assessed for filariasis morbidity by ultrasound-assisted clinical examination. The overall prevalence of infection was 2.63% by antigenaemia (95% confidence interval (CI) 1.71–4.04%) and 1.03% by microfilaraemia (95%CI 0.59–1.47%). The prevalence of hydrocoele in adult males was 2.78% (95%CI 1.23–6.15%) and of lymphoedema in both genders was 0% (95%CI 0–0.45%). These results indicate the persistence of filarial infection and transmission despite six rounds of annual mass drug administration and highlight the need for further rounds as well as the implementation of morbidity management programs in the country.

Item ID: 56720
Item Type: Article (Research - C1)
ISSN: 1935-2735
Copyright Information: © 2018 Dickson et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Funders: Australian Institute of International Affairs, Euan Crone, College of Medicine and Dentistry, James Cook University (JCU), Royal College of Pathologists of Australasia
Date Deposited: 26 Dec 2018 07:30
FoR Codes: 32 BIOMEDICAL AND CLINICAL SCIENCES > 3202 Clinical sciences > 320211 Infectious diseases @ 50%
42 HEALTH SCIENCES > 4202 Epidemiology > 420202 Disease surveillance @ 50%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920109 Infectious Diseases @ 50%
92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 50%
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