Historical Cases Data

Cases by Day

There are no entries for dates when no cases are reported. 

* – According to Oregon Health Authority, the period of transmissibility is the timeframe in which a person who has been diagnosed with COVID-19 can transmit the disease to others. This begins in the 48-hour period prior to symptom onset or, for asymptomatic cases, the 48 hours prior to when the specimen was collected for the test.


Cumulative Positive Cases Reported to the University of Oregon

Reporting Since June 1, 2020.