Overview
- A patient in Missouri was hospitalized with H5N1 bird flu, with no known contact with infected animals.
- Six health care workers and one household member who had contact with the patient developed mild respiratory symptoms.
- Blood samples from the affected individuals are being tested for H5N1 antibodies to determine past infection.
- Experts express concern over the potential for human-to-human transmission but emphasize that no evidence confirms this yet.
- Missouri health officials, with CDC support, are investigating the source and potential spread of the virus.