You will be given a definition of a task first, then some input of the task.
Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.

Paragraph: The Tri-County Health Department said Thursday prairie dog burrows are being sprayed with insecticide to kill fleas that could transmit the disease to the rodents, people and pets. The health department says Rocky Mountain Arsenal National Wildlife Refuge and Prairie Gateway Open Space are temporarily closed. The department says parking at Dick's Sporting Goods Park, where the Colorado Rapids play, is restricted to asphalt lots, and a planned fireworks display after Saturday's game has been postponed. Tri-County Health Director Dr. John M. Douglas Jr. says plague is common in Colorado prairie dog colonies and can be managed safely with insecticides. Claim: Plague confirmed in prairie dogs in Commerce City.
Output:
Plague has been confirmed in prairie dogs at several sites in the Denver suburb of Commerce City, prompting officials to close some parks and take other precautions.