The alerts, updated by the U.S. State Department as of April 7, classify destinations from Level 1 ("Exercise Normal Precautions") to Level 4 ("Do Not Travel"), with warnings often tied to issues such ...

Nicole Brown Chau is a deputy managing editor for CBSNews.com. She writes and edits national news, health stories, explainers and more. One consideration for travelers is the U.S. State Department ...

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