Viral Villain (IMAGE)
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The highly infectious and deadly Ebola virus is shown in this research photo from the National Institute of Allergy and Infectious Diseases. Ebola virus disease has an average fatality rate of about 50%, although rates in certain recent outbreaks have reached close to 90%, according to the World Health Organization. Researchers report in the Journal of Virology early development of a potential universal vaccine for Ebola. Preclinical tests show it may neutralize all four species of the virus infecting people.
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