Land-use changes and changing climatic conditions caused by human activities have altered the abundance or dispersal of pathogens by influencing the abundance and distribution of animal species that function as their hosts and vectors. Use the library, internet, or other resources to identify how a land-use change or change in climactic conditions triggered a pathogenic threat to the environment. In your essay, describe the land change or change in climactic conditions that occurred, the type of threat that resulted from it, and the current status.
