U.S. Still Searching for “Havana Syndrome” Answers

The top U.S. spy agency has concluded a mysterious illness plaguing American diplomats and other officials around the world is not nearly as widespread as initially feared and is most likely not the work of a foreign adversary.

But the Central Intelligence Agency also cautioned that a smaller number of cases continue to defy explanation, with one official warning that in those cases, “We have not ruled out the involvement of a foreign actor.”

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