Around 1,700 people who visited Yosemite National Park from mid-June to the end of August are being advised to seek medical attention if they exhibit hantavirus symptoms.
CNN.com - Travel, CNN: Travel
Wed, 08/29/2012 - 12:54pm
Around 1,700 people who visited Yosemite National Park from mid-June to the end of August are being advised to seek medical attention if they exhibit hantavirus symptoms.