West Nile Virus
West Nile virus has claimed four lives this summer, but public health officials say there's no need to panic. A panel talks about the spread of this mosquito-borne illness across the U.S. and how you can protect yourself.
Secretary of Health for the State of Maryland
Director of the Program on Global Environmental change at the Johns Hopkins Bloomberg School of Public Health and co-chair of the human health sector, U.S. National Assessment of Climate Change
infectious disease specialist at the Washington Hospital Center