New York Times: KIRKLAND, Washington State, USA.   Loretta Rapp, 79, was easy to spot as she zipped through the Life Care Center nursing home in her electric wheelchair, dressed in one of her bright muumuus.

It had been hard for her to leave her apartment after she took a bad fall last year. But she was a no-nonsense woman who had raised three children, and she was trying to make the best of things. She went to physical therapy. She devoured detective novels. At the skilled-nursing facility tucked next to a row of Douglas firs in suburban Seattle, she was elected president of the residents’ council.

Life Care made an effort to keep things fun. There were shopping excursions to the Fred Meyer and lunch trips to Olive Garden, a recent afternoon with “cute and cuddly animals.” The Honky Tonk Sweethearts, a country group, came in for a show early in February. Ms. Rapp spent her days buzzing the hallways, visiting newcomers and cheering up bed-bound friends.

Then people started getting sick.

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