Describing the current situation of malaria and related factors in malaria area with changing emigration in Binh Phuoc and Gia Lai in 2016. Evaluating the efficiency of several methods for strengthening the malaria prevention in areas with changing emigration.

Describing the epidemiological characteristics of Chronic obstructive pulmonary disease in Que Vo and Thuan Thanh districts, Bac Ninh province in 2015. Analyzing some factors related to Chronic obstructive pulmonary disease in the studied area. Evaluating the effectiveness of a number of intervention measures against Chronic obstructive pulmonary disease in Que Vo district, Bac Ninh province.

To describe some epidemiological characteristics of measles disease in Hanoi city from 2006 to 2015; to determine the status of IgG antibody against measles virus in mother and their children up to 9 months of age and some related factors in Ba Vi district, Hanoi city 2016-2017.

Objectives: Identifying the species, distribution, biological characteristics and influential factors to the liver flukes infection rate in cattle the Mekong Delta. Suggesting the treatment methods for infected cattle in Mekong Delta.

Research objectives: To describe some epidemiological characteristics of lower RTIs of mountainous married women at reproductive age in Thai Nguyen in 2012; to determine factors of lower RTIs of mountainous married women at reproductive age in Thai Nguyen; to evaluate the effect of RTIs prevention solutions for mountainous women in Thanh Cong commune, Pho Yen district, Thai Nguyen province after 2 years of intervention.