![Avian flu confirmed in a Colorado farmworker, marking fourth human case in U.S. since March](https://assets1.cbsnewsstatic.com/hub/i/r/2024/07/03/b22016d8-f0bf-4999-818f-26fa5e21ec6e/thumbnail/1200x630/13ff269a7a9c34475566c9c386c883bf/gettyimages-118205813-copy.jpg?v=57e8061b2038d609da26e467de5ddfb8)
Avian flu confirmed in a Colorado farmworker, marking fourth human case in U.S. since March
CBSN
A case of H5 influenza, also known as bird flu or avian influenza, has been confirmed in a man who was working at a dairy farm in northeastern Colorado. That's according to the Colorado Department of Public Health and Environment, which said it is the fourth confirmed human case in the United States since an outbreak among cows that appears to have started in March.
The man was working in Northern Colorado and had direct contact with cattle that were infected with avian flu. To this point, the only U.S. cases have been among farmworkers.
The CDPHE says the person who tested positive for the avian flu only had one symptom -- pink eye, otherwise known as conjunctivitis. He was tested after reporting his symptoms and received an antiviral treatment with oseltamivir afterwards. Those are the Centers for Disease Control and Prevention's recommended steps when there's a confirmed human case. The man, whose identity is not being released, has recovered.
![](/newspic/picid-6252001-20240704191123.jpg)
In recent weeks, flooding has put parts of Texas, Minnesota and Florida underwater, wildfires have ravaged California, and Hurricane Beryl has brought winds, rain and destruction to the Caribbean — just a few examples of the kinds of natural disasters being made more damaging or more frequent by climate change.