As of Thursday afternoon, Iowa had administered 998,054 doses of COVID-19 vaccines, with 959,053 going to Iowa residents.Some 347,382 people have completed the vaccine in Iowa — about 15 percent of the state’s adult population.Individuals who completed the two-dose Moderna and Pfizer vaccine totaled 322,464, with 24,917 completing the one-dose Johnson & Johnson vaccine.Individuals who have completed the first of the two-dose series totaled 328,154.In Linn County, 73,145 doses have been administered to residents, with 26,997 — or 15.48 percent of the county’s adult population — having completed the vaccine.In Johnson County, 62,392 doses have been administered to residents, with 24,315 — or 20.07 percent of the county’s adult population — having completed the vaccine.New casesIowa on Thursday reported 412 new COVID-19 cases and 20 new, confirmed deaths.To date, 369,086 people have had the virus in Iowa, and 5,621 have died, according to Iowa Department of Public Health.