Nearly 40 years after its first appearance, the deadly Ebola virus has killed at least 88 people in two west African countries. Doctors in Guinea say this is an aggressive strain, killing 90 percent ... more 
Nearly 40 years after its first appearance, the deadly Ebola virus has killed at least 88 people in two west African countries. Doctors in Guinea say this is an aggressive strain, killing 90 percent of its victims. Epidemiologists fear the outbreak could become much worse. Kelly Cobiella reports. less 
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Sat, Apr 5, 2014 8:18 PM EDT