coronavirus March 2, 2020 4:59 pm Orange County Declares Health Emergency Due to Coronavirus A fire station has isolated itself until coronavirus test results come back. Vikki Vargas reported on NBC4 News at 5 p.m. on Monday, March 2, 2020. US & World Videos 0:43 LA County releases sterile mosquitoes as warmer weather nears 2:42 Days before USC commencement, protesters still camped out on campus 0:34 Deadly crash damages church in South Los Angeles 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC