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Basic information about Ebola isn't as clear as it probably could be.
A recent poll by the Harvard School of Public Health, for instance, found that 38 percent of Americans are worried that Ebola will infect them or a family member in the next year, despite assurances that the U.S. will stop Ebola in its tracks.
We've put together a primer on what you need to know. We'll update it as new information develops.
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