August 17, 2021 4:16 pm Nurse Alice Explains Vaccine Booster Shots Nurse Alice Benjamin has a look at what to know about vaccine booster shots. Video broadcast Tuesday Aug. 17, 2021 on the NBC4 News at 4 p.m. US & World Videos 7:42 See aftermath of UCLA protest encampment in front of Royce Hall 1:28 LAPD dismantles protester encampments at UCLA 3:33 Crowd of protesters grow at UCLA despite order to disperse 3:33 Call for national, state and local response to campus unrest 2:51 Wife of deputy shot at West Covina stop light speaks on his recovery