Last summer, U.S. health officials sent out worldwide notices, warning countries that visitors could have come into contact with hantavirus during their stay at Yosemite National Park. Three people were killed, and a report released on Monday, May 20, by the Interior Department's Office of Inspector General found that park officials acted within their policy.

Mary Kendall, a deputy inspector general, wrote a letter that was attached to the report. In it, Kendall explained that the National Park Service mobilized and remediated the outbreak in order to prevent anything from happening in the future.

Delaware North Companies Parks and Resorts spokeswoman Lisa Cesaro said in the statement that they have worked closely with the National Park Service and public health officials to resolve the issue.

"The Signature Tent Cabins have been removed from Curry Village," she said. "We are following the recommendations by the National Park Service, which were developed in consultation with the California Department of Public Health and the Centers for Disease Control and Prevention."

Even so, the report also found that the policy did not require park officials to approve certain design changes to the "Signature tent cabins," which is where several of the victims fell ill. According to reports, deer mice, which can carry the illness, nested inside the double walls of the new tents.

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