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This fascinating study compares and contrasts the immense internal migration movements in China and Indonesia. Over the next two decades, approximately two-thirds of the rural labour force is expected to migrate, transforming their respective societies from primarily rural to urban based. Whilst both countries face similar challenges as hundreds of millions of people move, the policies implemented and their consequences are very different. Using an extensive range of qualitative and quantitative data, the contributors explore the impact of migration on migrants and their families, as well as...

Advances in molecular biology have led to huge increases in determining the phylogenetic history of viruses. This book is one of the first solely devoted to the origins and evolution of viruses, and of the ways in which they interact with their cellular hosts and vectors. Intitial chapters cover impacts of viruses and their control. Further chapters detail genetic variation of viruses and the molecular basis of interrelation at the population level and the molecular basis and evolution of this relationship. Seventeen chapters follow on genetic origins, sources of variation, population...