At least 116 people and 46 animals in Colorado were potentially exposed to the black plague after vets struggled to diagnose a critically ill dog. This prompted health experts to issue a warning that dogs in the US may contract the plague at any time of the year, and the signs may be hard to spot.

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At least 116 people and 46 animals in Colorado were potentially exposed to the black plague after vets struggled to diagnose a critically ill dog. This prompted health experts to issue a warning that dogs in the US may contract the plague at any time of the year, and the signs may be hard to spot.