Mary Louise Kelly

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MARY LOUISE KELLY, HOST:

Copyright 2021 NPR. To see more, visit https://www.npr.org.

MARY LOUISE KELLY, HOST:

CIA Director William Burns says he has redoubled the agency's efforts to uncover the cause of Havana syndrome — the mysterious set of ailments that has afflicted more than 200 U.S. officials and family members around the world.

Copyright 2021 NPR. To see more, visit https://www.npr.org.

MARY LOUISE KELLY, HOST:

Coronavirus cases and deaths in the U.S. are down dramatically from last winter's peaks, but the road ahead could still be a long one, with the rapid spread of the delta variant — now the dominant strain of the virus in the U.S. — and mounting questions over how effective current vaccines are against it.

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