April 25, 2022 8:39 pm Mixing COVID Vaccines Could Give You More Protection A government study of 450 people says that “mixing vaccines may enhance the immune response” to the COVID-19 virus. Joel Grover reports for the NBC4 News on Monday, April 25, 2022. US & World Videos 2:38 Why USC wants foreign students to return to campus by Jan. 13 2:36 Canyon Crest Fire spreads in Riverside County 1:37 Dodgers players answer how they can win the World Series against the Yankees 4:52 Southern California man with silicosis awarded $52M 2:39 Future Olympic gymnasts root for Team USA from Long Beach
