67 year old Daw Ngwe Tein is babysitting her 3 year 7 month old grandchild, Blu Nay L'Paw. Blu's mother works as a Medic in the Shoklo Malaria Research Unit (SMRU ) in Mae Sot, Thailand. SMRU provides quality health care to the marginalised migrant populations living on both sides of the Thai-Myanmar border in the Mae Sot area,Tak Province. This is achieved by research and humanitarian activities, with an emphasis on maternal-child health and infectious diseases.