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'Very unlikely' adversary caused Havana Syndrome, U.S. says

It is a mystery that has challenged the U.S.’s intelligence community for years. The unexplained illness known as Havana Syndrome, named after the city where diplomats and intelligence officials first suffered from dizziness, cognitive difficulties and even memory loss. Wednesday, the intelligence community assessed it was likely not the work of a foreign adversary. Nick Schifrin reports.

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