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Health Alert Issued For Mouse-Borne Virus September 7, 2012
Curry village Yosemite
Some of the cabins in Yosemite's Curry Village where some visitors are feared to have contracted hantavirus.
U.S. health officials have warned tourists from across the country and from 39 other countries that they could have contracted a deadly rodent-borne disease while visiting California’s Yosemite National Park.

The Centers for Disease Control and Prevention says an unprecedented outbreak of the hantavirus has killed two of the six people known to have been infected when they stayed in some of the park’s cabins between June 10 and Aug. 24.

The disease is spread through the urine, droppings or saliva of infected rodents.

Symptoms usually take between one and six weeks to emerge in humans.

It’s feared that as many as 10,000 park visitors could be at risk of coming down with the disease.

Yosemite officials say a design flaw appears to have allowed infected mice to get inside the walls of the cabins.

Photo: File