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    May 16, 2015  

    Officials in the Florida Keys are considering using genetically modified mosquitoes to curb the threat of the tropical disease, Dengue fever. The lab-grown mosquitoes have been used in Brazil and the Cayman Islands to reduce the local mosquito populations, but many Keys residents are wary of allowing a science experiment in their backyard. NewsHour’s Stephen Fee reports. Continue reading

  • December 11, 2007  

    Malaria kills one African child about every 30 seconds. Now, a vaccine developed by GlaxoSmithKline and the Bill and Melinda Gates Foundation shows promise in reducing the rate of severe malaria by as much as 50 percent. Susan Dentzer reports from Tanzania. Continue reading