In the United States government, the Office of the Assistant Secretary for Preparedness and Response (or ASPR), formerly the Office of Public Health Emergency Preparedness (or OPHEP), is a branch of the U.S. Department of Health and Human Services.

The Office of Public Health Emergency Preparedness, was established in June 2002 at the request of Tommy Thompson. In July 2006, a bill to amend the Public Health Service Act with respect to public health security and all-hazards preparedness and response was introduced. On December 19, 2006 it became public law and OPHEP was officially changed to the Office of the Assistant Secretary for Preparedness and Response.

The first head of OPHEP was Donald Henderson, credited with having previously eradicated Smallpox. Soon Jerry Hauer, a veteran public health expert, took over as director, with Henderson taking a different role in the department. Hauer was removed from the job primarily for conflicts he had with Scooter Libby over whether the risks of smallpox vaccination were worth the benefit. Hauer charged that the Office of the Vice President was pushing for the universal vaccination despite the vaccine's health risks, primarily exaggerate the risk of biological terrorism.

The current head of ASPR is RADM W. Craig Vanderwagen, M.D., he was sworn into office on March 27, 2007 as the first Assistant Secretary for Preparedness and Response. He is the Secretary's principal advisor on matters related to bioterrorism and other public health emergencies. He is responsible for coordinating interagency activities between HHS, other Federal departments, agencies, offices and State and local officials responsible for emergency preparedness and the protection of the civilian population from acts of bioterrorism and other public health emergencies.

For more information about Public Health Emergency Preparedness, read the full article at Wikipedia.
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