First cases of flu hit Bay Area, marking start of a dangerous season ahead San Francisco ChronicleSouth Bay Health Officials Message to the Public: Get a Flu Shot KPIX CBS SF Bay AreaAvoiding a 'twindemic': Missoula County, state health officials urge flu shots The MissoulianEarly Signs You're Catching the Flu Yahoo LifestyleCoronavirus cases, deaths continue to decline as flu season begins The Mercury NewsView Full Coverage on Google News