Science AAAS -- A review released today by the U.S. Department of Health and Human Services (HHS) could lead to major changes in the way the country prepares for public health emergencies, such as pandemics and acts of bioterrorism. Meanwhile, a new study by the the President’s Council of Advisors on Science and Technology (PCAST) has suggested a range of measures—both short and long term—that the United States can adopt to better prepare for the next influenza pandemic.