Officials said Monday night there has been an uptick in Legionnaires' disease cases in Central Harlem.The New York City Department of Health said there are now 90 confirmed cases, including three deaths.

The city was already proposed new rules for cooling towers, which the health department says was the source of the outbreak. CBS News New York's Dick Brennan reports.

The NYC Health Department reported at least 90 people have been infected since the outbreak began last month, and three people have died.