The vaccine, in development for more than 25 years, now gets most of its support from the Bill and Melinda Gates Foundation.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/d83JViEkno4" height="1" width="1"/>
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The vaccine, in development for more than 25 years, now gets most of its support from the Bill and Melinda Gates Foundation.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/d83JViEkno4" height="1" width="1"/>