"@calestous: #Ebola vaccine works, offering 100% protection in African trial http://bit.ly/1JXKh8w pic.twitter.com/2Sb1Smbtsn"
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"@calestous: #Ebola vaccine works, offering 100% protection in African trial http://bit.ly/1JXKh8w pic.twitter.com/2Sb1Smbtsn"
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