(Salem, OR)  --  The Oregon Health Authority reports there have been 611 COVID-19 vaccine breakthrough cases as of May 3rd, and eight of those people have died.  Breakthrough cases are when a person tests positive for COVID-19 at least two weeks after being fully vaccinated.  OHA isn't saying where the deaths occurred in the state, but 14-percent of the cases were in long-term care facilities.  The 611 breakthrough cases are a small percentage of the one-point-three-million people who have been fully vaccinated.