U.S.

Associated Press
In this undated photo provided by DNC Parks and Resorts at Yosemite, Inc., are tent cabins in the fall at Yosemite National Park in California. Yosemite officials are expanding their efforts notify visitors to a complex of tent cabins who may have been exposed to a rare but potentially deadly rodent-carried virus. Officials said Wednesday they have notified 2,900 visitors who stayed in the Curry Village "Signature Cabins" since mid-May, up from 1,700 initially notified. (AP Photo/DNC Parks and Resorts at Yosemite, Inc.)

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