Bird flu outbreak in Colorado dairy cows and farm workers ramps up testing
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Bird flu infections linked to dairy cows have wiped out 3.1 million egg-laying chickens in Colorado in recent weeks, and poultry workers also tested positive.
Colorado began requiring dairies to test milk supplies for bird flu every week, the state’s veterinarian told Reuters on Tuesday, as a federal team arrived to help investigate an escalating outbreak in cows that has spread to chickens and people.