Thai vaccine shows promise in preventing AIDS
In a large study in Thailand, an experimental vaccine protected about a third of those who received it against the AIDS virus. Jessica Justman of the International Center for AIDS Care and Treatment Programs at Columbia University's Mailman School of Public Health discusses prospects for the future. If an AIDS vaccine were available, would you take it? Tell us what you think.
H1N1 virus hasn’t mutated, WHO says
The World Health Organization says that the H1N1 virus hasn't mutated into a more deadly strain. However, WHO officials are warning that the pandemic will hit poor countries especially hard. Michael Novacek of the American Museum of Natural History discusses the dangers.
World governments try to fast-track H1N1 flu vaccine
According to the World Health Organization, the H1N1 flu virus has killed just under 1,500 people worldwide. Right now, it is spreading through India's sizeable population. Dr. Martin Blaser of New York University's School of Medicine discusses the risks of the flu pandemic from a global perspective.
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