New COVID-19 cases tick upward in Los Angeles County; officials warn against spring travel KABC-TVSome States Are Reporting ‘Breakthrough’ Cases of COVID-19—Here’s What That Means Prevention.comSan Diego County COVID-19 Update – 3-04-2021 countynewscenter.comCOVID-19: More than 2K cases reported countywide Santa Clarita Valley SignalCOVID in Tennessee: 1,514 cases, 42 deaths reported March 4 WKRN News 2View Full Coverage on Google News