More cases of bird flu identified in Colorado poultry workers | CNN Five cases of bird flu have been identified among workers culling poultry at a farm in northeast Colorado, the state department of health said on Sunday. The commercial egg operation was impacted by H5N1 outbreaks that have also affected wild birds and dairy cows in several states. Jamie Gumbrecht CNN

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The workers are believed to have caught the virus through direct work with infected birds. They had mild symptoms including conjunctivitis or pink eye and respiratory problems, but none of them were hospitalized, the state said Sunday.

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