Vaccination against Ebola has begun today in the Democratic Republic of Congo in order to stop the spread of the highly contagious, deadly disease. University of Florida’s Dr. Ira Longini helped test the only known vaccine. He says health workers and contacts of people infected with the disease will be the first ones to be vaccinated.  If the disease spreads quickly in a big city:

“We’d switch over to a mass vaccination campaign and we’d simply do heavy vaccination as a whole through large parts of the city.”

One hundred percent of the people who received the vaccine during clinical trials did not contract the disease.

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