San Diego September 29, 2021 6:39 pm SDUSD Explains Reasoning for Vaccine Mandate NBC 7’s Melissa Adan breaks down the new rules, and the consequences for those who choose not to comply. US & World Videos 2:19 Triple sweet graduation for Bonita Vista High School sisters 3:32 Parents of surfers killed in Mexico remember their sons 0:58 Philanthropist Joan Jacobs dies at 91 year old 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:56 Pro-Palestinian protesters move to downtown jail