Wasco County Commissioners received a report on COVID-19 showing 38 to 40 percent of cases in the county during June and July were from sporadic, or unknown, causes. North Central Public Health District Health Officer Dr. Mimi McDonell told Commissioners that sporadic cases are of particular concern for health officials. The percent of COVID-19 cases caused by outbreaks at a location dropped from 44% in June to 21% in July, those with a source within a household went up from 15% in June to 21% in July, and the number traced to close contacts went from 1 in June to 9 in July.