U.S. health officials confirm four new bird flu cases in Colorado poultry workers
![U.S. health officials confirm four new bird flu cases in Colorado poultry workers](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2022-03/220321-chickens-stock-mn-1030-7c8a68.jpg)
Four poultry workers in Colorado have been diagnosed with bird flu, health officials confirmed Sunday.
Four poultry workers in Colorado have been diagnosed with bird flu, health officials confirmed Sunday.