(Portland, OR)  --  Oregon Health & Science University is looking for volunteers in the Portland area who want to take part in a Phase Three clinical trial for a potential COVID-19 vaccine.  This vaccine is the one that was developed by scientists at Oxford University and AstraZeneca.  Participants will receive two injections four weeks apart and will be monitored over two years.  OHSU is looking for a diverse group of candidates, but are prioritizing those older than 55 and who are Black, Indigenous and People of Color.