4 more health workers in contact with Missouri bird flu patient develop symptoms: CDC - CBC News
- 4 more health workers in contact with Missouri bird flu patient develop symptoms: CDC CBC News
- Four Missouri healthcare workers develop symptoms after bird flu exposure BBC.com
- US Investigating Potential Human-to-Human Bird Flu Transmission Bloomberg
- Possible Cluster of Human Bird-Flu Infections Expands in Missouri The New York Times
- More health-care workers in contact with Missouri bird flu patient report respiratory symptoms CNN