It seems like each day new questions surface about Ebola. We have heard repeatedly that quarantines for Ebola should last 21 days. What if that advice is outdated? It turns out there is still a lot that science doesn't know about Ebola. Dr. Sanjay Gupta takes a closer look.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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