The secret behind the virus is a common cold virus that has been genetically altered with a piece of Ebola DNA. By just spraying the monkeys up the nose, it protected the monkeys, all of them.
A big problem has occurred that is preventing further development. The tests were being conducted by the Austin’s College of Pharmacy of the University of Texas – and they have run out of money to fund further testing.
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Source: http://www.nbcnews.com/storyline/ebola-virus-outbreak/nose-spray-ebola-vaccine-protects-monkeys-n240231
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Photo Credit: Unchanged; from https://www.flickr.com/photos/cmbellman/2943039286
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Keywords: Ebola, vaccine, testing, nose spray, College of Pharmacy