I am grateful to members of the Mordecai Lab at Stanford University for constructive feedback on the manuscript and to N. Nova for creating Fig. 1. I was funded by the National Science Foundation (DEB-2011147, with Fogarty International Center), the National Institutes of Health (R35GM133439, R01AI168097, R01AI102918), the Stanford Woods Institute for the Environment, and the Stanford Center for Innovation in Global Health. I would like to acknowledge the many authors whose work has expanded our scientific understanding of the impacts of global change on health.