New York City is investigating big increases in several south Brooklyn communities with large Orthodox Jewish populations. De Blasio said the clusters demand action, including stepped-up testing, education and enforcement. Since the first week of August, the city has seen a 4.71% increase in Midwood, Borough Park and Bensonhurst; 3.69% in Edgemere-Far Rockaway; 2.24% in Kew Gardens and 2% in Williamsburg. The four areas make up 20% of all cases reported citywide as of Sept. 19, according to the city health department. Across New York City, fewer than 1% of residents tested positive on Sept. 21. Subscribe to our YouTube channel: https://bit.ly/2TwO8Gm QUICKTAKE ON SOCIAL: Follow QuickTake on Twitter: twitter.com/quicktake Like QuickTake on Facebook: facebook.com/quicktake Follow QuickTake on Instagram: instagram.com/quicktake Subscribe to our newsletter: https://bit.ly/2FJ0oQZ Email us at [email protected] QuickTake by Bloomberg is a global news network delivering up-to-the-minute analysis on the biggest news, trends and ideas for a new generation of leaders.