Amends the Public Health Service Act to allow the Secretary of Health and Human Services to increase, relative to FY 2005, the number of political subdivisions or consortia that receive grants under a program to enhance the security of the United States with respect to bioterrorism and other public health emergencies, with priority given to political subdivisions that have a substantial number of residents and face a high degree of risk from bioterrorist attacks or other public health emergencies.