From NBC News:

The United States must remain on alert as the new coronavirus spreads globally, public health officials said Tuesday, though the risk of its spreading in the country still remains low.

“This is a very fast moving, constantly changing situation,” Health and Human Services Secretary Alex Azar said during a news conference. “But at this point, Americans should not worry for their own safety.”

Dozens of people have been tested for the coronavirus in the U.S., but only five cases have been confirmed so far. All are travelers from Wuhan, China — where most cases have been reported by far — and all are hospitalized in isolation.

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