Introduction -- Allotransplantation ethics -- Xenotransplantation: The role of pubic involvement -- Xenotransplantation and clinical ethics -- Xenotransplantation and pediatric ethics issues -- Xenotransplantation and informed consent -- Geoethics and xenotransplantation -- Animal ethics and xenozoonotic risks -- Regulatory considerations and oversight: A US perspective -- Regulatory considerations and oversight: A European perspective -- Regulatory considerations and oversight: A Japanese Perspective -- Regulatory considerations and oversight: A Chinese Perspective -- Religious viewpoints: Protestant and Catholic -- Religious viewpoints: Sunni Islam -- Religious viewpoints: Shia Islam -- Religious viewpoints: Judaism -- Religious viewpoints: Hinduism -- Psychological implications -- Challenges in adequately assessing the Social Attitudes and Perceptions of the Public towards Xenotransplantation -- Perceptionsof xenotransplantation by the public -- Potential Applicability of Cardiac Xenotransplantation in Pediatrics: Just Around the Corner -- The implications of living as a xenograft recipient -- Clinical and Ethical Implications of Adult Cardiac Xenotransplantation -- Kidney Xenotransplantation.