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Just like us, birds can become infected with viruses – and some of these can be transferred to us. As we’ve seen with the coronavirus pandemic, there are real challenges when it comes to controlling the spread of viral infections. Any attempt to try and stay one step ahead of a virus requires really good monitoring, especially as many birds travel long distances and migrate. Birds are invaluable as sentinels in our attempt to map and control the spread of infection. In this episode we look at how water birds, poultry, jays and sage grouse have alerted us to the spread of diseases which affect them and us in the environment.

(Photo: A chicken)