<unk> , also called geographic medicine,<unk>  medicine, or global health, is a field of health care, usually with a public health emphasis, dealing with health across regional or national boundaries. One subset of<unk>  medicine, travel medicine, prepares travelers with immunizations, prophylactic medications, preventive techniques such as bednets and residual pesticides, in-transit care, and post-travel care for exotic illnesses.<unk> , however, more often refers to health personnel or organizations from one area or nation providing direct health care, or health sector development, in another area or nation. It is this sense of the term that is explained here. More recently, public health experts have become interested in global processes that impact on human health. Globalization and health, for example, illustrates the complex and changing sociological environment within which the determinants of health and disease express themselves.
International health
Global health
Public health
Regulatory science
Community health
Environmental health
Drug policy
Outline of public health