coronavirus March 31, 2021 7:09 pm First 100 Days of Vaccinations Patrick Healy reported on NBC4 News on Wednesday, March 31, 2021. US & World Videos 2:42 Executive staff to LA County DA accused of mishandling confidential police files 2:58 UC Irvine students launch solidarity encampments 2:36 Student's mother tries to stop vandalism at USC 3:45 Walkout supporting pro-Palestinian protesters at UCLA 3:22 USC activists request emergency campus student dialogue