WASHINGTON—House Speaker Nancy Pelosi said there are no plans to close the Capitol building to tourists or members of Congress in the event of a coronavirus outbreak, as lawmakers prepared contingency plans for their offices.

“We’ll be ready should something come along,” said Mrs. Pelosi, citing efforts by Capitol staff to ensure lawmakers and staff could work from home as needed, and encouraging hygiene practices such as hand washing for officials and visitors. But she noted the limitations of the approach.

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