Health officials are concerned about the recent rapid increase of COVID-19 cases in Sacramento County. On Sunday, the county recorded its highest single-day increase of 228 new cases. The county also saw over 1,000 new cases just last week alone -- compared to a total of 2,000 cases in the first five months of the pandemic. County health officials said the spike in cases is not due to testing alone. Get the full story in the video above.