(FILES) In this file photo teachers, students and parents participate in an outdoor learning demonstration for New York City schools in front of the Patrick F. Daly public school (P.S. 15) on September 2, 2020 in the Brooklyn borough of New York City. - New York Mayor Bill de Blasio said October 4, 2020 he planned to put nine neighborhoods back under tight shutdowns as Covid-19 cases rise in the city, which had largely controlled the pandemic after a catastrophic outbreak. "Today, unfortunately, is not a day for celebration," de Blasio said, announcing he would ask to close nonessential businesses and all schools in nine neighborhoods of Brooklyn and Queens. (Photo by Angela Weiss / AFP)