Excerpt from 2 more Yosemite visitors have hantavirus http://www.usatoday.com/news/health/story/2012-08-30/yosemite-hantavirus-war... Meanwhile, the park sent warning e-mails and letters on Wednesday to another 1,000 people who stayed in tent cabins in Curry Village, after officials found that a computer glitch had stopped the notices from going out with the original 1,700 warnings on Monday. The warning says anyone with flu-like symptoms or respiratory problems should seek immediate medical attention. ------------------------------