Oregon 3rd to last in COVID vaccination rate for seniors, among 31 states with data Updated Feb 20, 2021; Posted Feb 20, 2021 Kelly Beckley, R.N., preps vials of the Pfizer COVID-19 vaccine to be administered at the Oregon Convention Center in Portland. Brooke Herbert/The Oregonian Facebook Share Oregon ranks third to last for the percentage of seniors it has inoculated against COVID-19 among 31 states with comparable data, an analysis by The Oregonian/OregonLive has found. Just 21% of Oregonians age 70 and older received at least one dose of vaccine as of earlier this week. The rate falls even lower, to 19%, when calculated against all of Oregon’s 767,000 residents 65 and older.