He has not implemented any of those measures, but the declaration of a state of emergency allows him to at any time. There are now 95 confirmed cases in New York City, 45 more than yesterday. The New York City breakdown is as follows; 25 in Manhattan, 24 Brooklyn, 17 in Queens, 10 in the Bronx and five in Staten Island. WHAT A STATE OF EMERGENCY MEANS Declaring a state of emergency allows de Blasio to enact several extreme measures. He urged New York City businesses to encourage telecommuting - ie working from home - and staggering staff shifts as 'much as possible'.
Source: Daily Mail March 12, 2020 20:14 UTC