- Yosemite national park: 170 recent visitors suffer norovirus symptoms The Guardian
- Nearly 200 Yosemite National Park visitors sick after likely norovirus outbreak Visalia Times-Delta and Tulare Advance-Register
- Stomach illness outbreak in Yosemite impacts 170 people SF Gate
- Yosemite National Park says 170 people ill in possible norovirus outbreak msnNOW
- 170 sickened at Yosemite; park confirms 2 cases of norovirus KCRA Sacramento
- View full coverage on Google News
Source: Google Finance – Market News