Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
Distribution bottlenecks have lead to flu shot shortages in some parts of the country. A look at flu vaccine supplies and ongoing efforts to prevent the emergence and spread of avian flu.
- Dr. Adel Mahmoud chief medical adviser for vaccines and infectious diseases, Merck & Company, Inc.
- Walter Boyce professor and director, Wildlife Health Center, University of California, Davis
- Dr. Anthony Fauci Director of the National Institute of Allergy and Infectious Diseases/NIH
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