Iowa Governor Kim Reynolds leaves her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP , Pool)

Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Department of Public Health Deputy Director Sarah Reisetter speaks during the daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Department of Public Health Deputy Director Sarah Reisetter watches as Iowa Governor Kim Reynolds speaks during her daily COVID-19 press conference at the Emergency Operations Center, Wednesday, May 27, 2020 in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)