Bioterrorism Preparedness Act of 2001

Requires the maintenance of an adequate national pharmaceutical stockpile of vaccines (including a smallpox vaccine), therapies, and medical supplies for use at the Secretary's discretion in the event of a biological threat or attack or other public health emergency.

Expands the role of the Centers for Disease Control and Prevention. Directs the Secretary to provide for the establishment of a coordinated network of public health laboratories to assist with the detection of and response to a biological threat or attack.

Provides for the appointment of an Assistant Secretary for Emergency Preparedness who shall head the Office for Emergency Preparedness.

Provides for a National Disaster Medical System to provide appropriate health and social services to respond to a public health emergency, if the Secretary activates the System.

Provides for enhanced regulatory control of biological agents and toxins.

Establishes a State Bioterrorism Preparedness and Response Block Grant Program to improve State and local preparedness and response capabilities.

Amends the Clayton Act to provide for a limited antitrust exemption with respect to the development of new countermeasures against bioterrorism.

Requires, under the Public Health Service Act, the development of a crisis communications and education strategy with respect to bioterrorist threats to the food supply. Expands animal and plant health inspection service activities and authorities.

Amends the Federal Food, Drug and Cosmetic Act to expand the authority of the Food and Drug Administration with respect to food presenting a serious threat to humans or animals.

Requires the registration of food manufacturing, processing, and handling facilities.

Directs the Secretary of Agriculture to utilize existing authorities to expand Agricultural Research Service and Cooperative State Research Education and Extension Service programs to protect the food supply of the United States.