Commentary
Infectious Diseases in Latin America and the Caribbean: Are They Really Emerging and Increasing?
A. David Brandling-Bennett, Francisco Pinheiro
Pan American Health Organization, Washington, D.C., USA
Microbial Threats and the Global Society
Stuart B. Levy
Center for Adaptation Genetics and Drug Resistance, Tufts University School
of Medicine, Boston, Massachusetts, USA
Xenotransplantation: Risks, Clinical Potential, and Future Prospects
Robert E. Michler
Director of Heart Transplant Service, Division of Cardiothoracic Surgery, Columbia-Presbyterian Medical, Center, New York, NY, USA