Coronavirus in the U.S.: Map of where cases have been confirmed across the country

U.S. health officials are closely monitoring for cases in the United States.

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By Sara G. Miller and Jiachuan Wu

As the coronavirus continues to spread in China, U.S. health officials are closely monitoring for cases in the United States.

This map will be updated as more cases in the U.S. are confirmed. As of Feb. 28, there were at least 63 cases confirmed in the U.S.

In addition, three presumptive cases were reported in Washington state and Oregon Friday — those people have tested positive in local tests, but are waiting on test results from the Centers for Disease Control and Prevention for confirmation.

Of the CDC confirmed cases, 12 are travel-related, two are the result of person-to-person spread in the U.S., and 47 cases are in individuals evacuated from either Wuhan, China or the Diamond Princess cruise ship. Two cases do not have a clear source.

The one presumptive case in Oregon also has no known source of exposure, and one of the two presumptive cases announced Friday by Washington state officials also has an unknown source.

Full coverage of the coronavirus outbreak

At least nine patients have recovered: Four in California, two in Illinois, one in Washington, one in Arizona and one in Wisconsin.

Tens of thousands of cases have been confirmed in China and more than 2,900 people have died since the start of the year, Chinese officials said. There are more than 2,900 confirmed cases in at least 45 other countries as well.

See NBC News’ coverage of the coronavirus, and read the coronavirus live blog.