New York’s first patient infected with coronavirus is a health-care worker who showed symptoms of disease only after returning from Iran, officials said Monday.

The patient is a 39-year-old woman and had been working in Iran, traveling from the country last Tuesday, New York Gov. Andrew Cuomo said during a news conference. She remained isolated in her Manhattan apartment Monday morning with a mild respiratory condition, Mr. Cuomo said. She didn’t need to be in a hospital setting because her condition is mild, he said.

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