question: What portion of the world is considered to be most at risk for the rapid spread of the avian flu ?
answer: areas such as Southeast Asia , where the disease is endemic in the wild bird population and domestic poultry can become infected
turker_answer: Portion of the world that is considered to be at most risk for the rapid spread of the avian flu are areas such as Southeast Asia , where the disease is endemic in the wild bird population and domestic poultry can become infected .
rule-based: Areas such as Southeast Asia , where the disease is endemic in the wild bird population and domestic poultry can become infected is considered to be most at risk for the rapid spread of the avian flu .