|Agricultural Development and Vector-Borne Diseases (FAO - HABITAT - UNEP - WHO, 1996, 91 p.)|
|Topic H: Influence of livestock|
Slide H.5 Egrets in an irrigated rice field
Egrets and other birds can be reservoirs of viruses and transport them over large distances. Some ecologists have speculated that with global climate change, migratory birds may change their routes and may introduce arboviral infection in areas where they now do not occur.