Families go to the Ebola Treatment Center to visit a family member who is held in quarantine. [Credit: World Bank/Vincent Tremeau, republished here under CC BY-NC-ND 2.0]

FREDERICK, Md. -- “Sure, it’s easier than doing research in more isolated places, say Antarctica, or outer space—but that does not make it easy for those on the ground. Sometimes densely populated areas pose problems of their own. Not everyone agrees on the need, the presence of so many ‘outsiders,’ or on the approach taken. People were attacked. Research sites were burned.”

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