(Portland, OR)  --  Health officials say new cases of COVID-19 are continuing to decline in Oregon.  The Oregon Health Authority says new cases are down 15-percent over the last week to the lowest weekly total in three months.  Hospitalizations are down eight-percent, and new deaths from the virus are at their lowest since mid-November.  The state's positive test rate is currently four-point-two-percent, which is down one-percent from the previous week.