In 2002, the Bush Administration called for 500,000 health care workers to be vaccinated against smallpox. So far only 40,000 have complied. In this hour of Science Friday, we'll get an update on the smallpox vaccination plan. Why is compliance so low? How safe is the current vaccine? We'll also take a look at new smallpox vaccines in the works.
*Director, Center for Infectious Disease Research and Policy at the University of Minnesota
*Senior research scientist, U.S. Army Medical Research Institute of Infectious Diseases in Fort Detrick, Md.