Details have been sparse about President Bush's plan to innoculate Americans against smallpox. Those details that have emerged illustrate the many complications of the smallpox issue. NPR's Richard Knox reports.
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Since he joined NPR in 2000, Knox has covered a broad range of issues and events in public health, medicine, and science. His reports can be heard on NPR's Morning Edition, All Things Considered, Weekend Edition, Talk of the Nation, and newscasts.