The One Health Epidemiology of Avian Influenza Infection in Bangladesh: Lessons Learned from the Past 15 Years

Figure 4

Transmission dynamics of avian influenza virus in the wetland ecosystem of Bangladesh. The virus is imported to Bangladesh wetlands by the migratory bird (a). Then the virus can spread throughout Bangladesh by the resident wild birds, such as the cormorant, heron, water hen, egal, kingfisher, and wild duck (b); range ducks (c), resident wild animals (d), and domestic ducks in the backyard poultry farming system (e) [55].