COVID-19 December 27, 2021 11:23 pm Omicron Surge Fueling Demand for Testing The CDC is now recommending a shorter isolation time for those who test positive. Hetty Chang reports for the NBC4 News at 11 p.m. on Dec. 27, 2021. US & World Videos 2:36 Student's mother tries to stop vandalism at USC 1:41 Security guard shot outside of hip-hop executive's Encino home 3:41 Entry restricted at USC as protests continue on campus 0:44 Security guard shot at $12 million Encino home 3:26 Confrontations occur at UCLA campus amid ongoing protests
