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Original ArticleOpen Access
High Prevalence of Bancroftian Filariasis in Myanmar-Migrant Workers: A Study in Mae Sot District, Tak Province, Thailand
Triteeraprapab S 
,
Songtrus J
,
Songtrus J Although the prevalence of lymphatic filariasis jn the Thai population is low, migration
of Myanmar labor into Thailand may increase the incidence of bancroftian filariasis. Epidemiology
of filariasis in "Myanmars has not been precisely determined. By using microscopic examination,
we found that the microfilarial rate in 654 Myanmar migrants working in Mae Sot, Tak province,
was 4.4 per cent. The highest microfilarial rate was found in males aged 21-30 years (6.8% ). History
of mosquito bites was significantly correlated with microfilaremia. The majority of Myanmar
migrants (55.5%) have been staying in Thailand 1-6 years; most (82.0%) have never been back to
Myanmar. Seventy-nine per cent of infected Myanmars were from Moulmein (Maulamyine) city.
Since these migrants carry the parasite with high infected rate and the mosquito vector Culex
quinquefasciatus is also prevalent in Thailand, Thai people are at high risk of acquiring this disease
if good control and prevention strategies are not implemented.
Key word : Bancroftian Filariasis, Myanmar Migrant, Thailand
of Myanmar labor into Thailand may increase the incidence of bancroftian filariasis. Epidemiology
of filariasis in "Myanmars has not been precisely determined. By using microscopic examination,
we found that the microfilarial rate in 654 Myanmar migrants working in Mae Sot, Tak province,
was 4.4 per cent. The highest microfilarial rate was found in males aged 21-30 years (6.8% ). History
of mosquito bites was significantly correlated with microfilaremia. The majority of Myanmar
migrants (55.5%) have been staying in Thailand 1-6 years; most (82.0%) have never been back to
Myanmar. Seventy-nine per cent of infected Myanmars were from Moulmein (Maulamyine) city.
Since these migrants carry the parasite with high infected rate and the mosquito vector Culex
quinquefasciatus is also prevalent in Thailand, Thai people are at high risk of acquiring this disease
if good control and prevention strategies are not implemented.
Key word : Bancroftian Filariasis, Myanmar Migrant, Thailand
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