Which city was reported to have dozens suffering from Legionnaires' disease?

New York City has been noted for experiencing outbreaks of Legionnaires' disease, particularly due to its dense population and extensive building infrastructure, where the bacteria can thrive in water systems. The specific conditions in urban environments, such as large cooling towers that may harbor Legionella bacteria, contribute to the risk of outbreaks. Reports often highlight clusters of cases linked to specific locations, such as hotels or residential buildings, leading to public health responses aimed at improving water safety and monitoring. Thus, the report of dozens suffering from Legionnaires' disease is consistent with documented trends in major metropolitan areas like New York City, making it the correct answer in this instance.