Residual malaria among migrant workers in Myanmar: why still persistent and how to eliminate it? od Myat Htut Nyunt, Khin Myo Aye, Shine Thura Naing, Aye Su Mon, Mi Mi Htwe, Su Mon Win, Wai Myat Thwe, Ni Ni Zaw, Myat Phone Kyaw, Aung Thi