(Portland, OR)  --  OHSU is cancelling COVID-19 vaccination clinics scheduled for this weekend due to snow in the forecast.  The closures include the clinic at the PDX Red Economy parking lot, the drive-thru clinic at Hillsboro Stadium and the OHSU patient clinic in the Multnomah Pavillion on OHSU's Marquan Hill campus.  OHSU is contacting all patients who had appointments to allow them to reschedule.