Public health
Others

Most countries have their own governmental public health agency, often called the ministry of health, with responsibility for domestic health issues.

For example, in the United States, state and local health departments are on the front line of public health initiatives. In addition to their national duties, the United States Public Health Service (PHS), led by the Surgeon General of the United States Public Health Service, and the Centers for Disease Control and Prevention, headquartered in Atlanta, are also involved with international health activities.
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