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All Yosemite Workers To Be Offered Hantavirus TestYosemite National Park will offer testing to all employees at the site to determine if they have ever been infected with a deadly mouse-borne virus, officials said Thursday.
Yosemite Workers Tested For Hantavirus, Ordered To Keep QuietCalifornia public health officials have tested 100 workers at Yosemite National Park to determine whether they were exposed to the deadly mouse-borne hantavirus.