ScienceDaily: Recent research has predicted that climate change may expand the scope of human infectious diseases. A new review, however, argues that climate change may have a negligible effect on pathogens or even reduce their ranges. The paper has sparked debate in the ecological community. In a forum in the April issue of Ecology, Kevin Lafferty of the U.S. Geological Survey’s Western Ecological Research Center suggests that instead of a net expansion in the global range of diseases, climate …