The Oregon Health Authority’s monthly update on breakthrough cases found that 81% of the 12,514 reported COVID-19 cases in the state in July were among people who were unvaccinated.  The average age of the people who contracted the virus was 51.   Of the 55 COVID-19 associated deaths reported in July, 91% were among people who were not fully vaccinated.   There have been a reported total of 4,196 COVID-19 breakthrough cases in Oregon, compared to the more than 2.3 million Oregonians who have completed their COVID-19 vaccination series.  Most of the breakthrough deaths occurred in elderly people.