coronavirus March 30, 2020 5:48 pm Here's a Realistic Timeline of Developing a Coronavirus Vaccine The FDA will not approve a vaccine unless it is proven to be 100% safe. Gordon Tokumatsu reports for NBC4 News at 5 p.m. on Monday, March 30, 2020. 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
