coronavirus June 28, 2021 6:11 pm Doctors Warn of More Contagious Virus Gaining Ground, Spreading Fast The World Health Organization is now urging immunized people to continue wearing masks and practicing social distance because of a new variant. Melissa Colorado reports. US & World Videos 2:48 Forecast: Gradual warming trend 1:25 Bay Area high school seniors honored with Dave Goldberg Scholarship 1:10 Bay Area app monitors problems for people living with Parkinson's 0:26 Kaiser Permanente data breach may have affected millions 1:35 Kari's forecast: Gradual warming trend