(Trent Nelson | The Salt Lake Tribune) Spencer Lowe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Lindsay Brown prepares a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Shane Carter administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Lindsay Brown prepares a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Lindsay Brown prepares a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Bryce Combe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Spencer Lowe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Spencer Lowe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Colton Shakespear administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Ryan Reneer administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Bryce Combe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.(Trent Nelson | The Salt Lake Tribune) Spencer Lowe administers a dose of the Pfizer COVID-19 vaccine at a drive-thru event organized by the Utah County Health Department in Spanish Fork on Friday, Sept. 10, 2021.