She cited three studies, one from Israel and one from the United States, that show vaccines work.
The CDC director noted that the guidance for travel will be updated as science emerges.
Walensky also called on the unvaccinated people to go get the vaccine.
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US President Joe Biden removes a protective mask to speak in the East Room of the White House in Washington, D.C., U.S., on Monday, May 10, 2021. Photo credit: Chris Kleponis/CNP/BloombergSource: UGC
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