... of some social factors on the evolution of Avian Influenza (AI) and Foot and mouth disease (FMD) in Luong Son district, Hoa Binh province, Vietnam Truong Ha Thai*, Huynh T. My Le*, Truong Quang*, ... social factors on the evolution of Avian Influenza (AI) and Foot and Mouth Disease (FMD) in Luong Son district, Hoa Binh province”. 2. MATERIALS AND METHODS 2.1. Materials Questionnaire and ... Influenza (AI) as well as Foot and mouth disease (FMD) in Luong Son, Hoa Binh province. The study surveyed investigation, surveillance of disease occurrence, and social factors affecting the movement...