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CHICAGO — For the sixth year in a row, Chicago has been named the “rattiest city” in America.

Orkin Pest Control released their yearly top 50 list on Monday, that ranks every city based on the number of new rodent treatments.

On the list, most cities trade spots every year — but not Chicago. The city has remained on top for the past six years.

Orkin says the pandemic-related shutdowns have made the situation worse. There are less places for rats to find food and some jurisdictions have reported an increase in rodent activity as they search for new sources of food.

Chicago has been trying to decrease its rat population for years. A rat task force was launched by the city in 2016.

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