The Forum on Microbial Threats staff and planning committee deeply appreciate the many valuable contributions from individuals who assisted with this project. First, we offer our profound thanks to all of the presenters and discussants at the workshop who gave so generously of their time and expertise. These individuals are listed in full in the workshop agenda in Appendix E. We are also grateful to Carissa Etienne and her staff, including Fredy Aviles, Cesar Guevara, Bruce Leech, Alex Romero, and Lourdes Withrow, for graciously hosting the workshop at the Pan American Health Organization's headquarters building.