Mumbai reported 15,166 new Covid-19 cases on Wednesday, its highest-ever daily count and up 4,306 from a day ago, while three more patients succumbed to the infection, the city civic body said. <br /> <br />With these additions, the city's overall coronavirus count jumped to 8,33,628, while the death toll increased to 16,384, the Brihanmumbai Municipal Corporation (BMC) said in a bulletin.