Iowa Gov. Kim Reynolds speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Gov. Kim Reynolds speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Gov. Kim Reynolds speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

IDPH Medical Director and State Epidemiologist, Dr. Caitlin Pedati speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Dr. Ann Lebo, Director of the Iowa Department of Education, speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)

Iowa Governor Kim Reynolds speaks during a press conference updating Iowan's on the status of COVID-19 cases on Thursday, April 2, 2020, in Johnston. There have been 66 additional positive cases of Iowans with COVID-19, for a total of 614 positive cases and two additional deaths according to the IDPH.(AP Photo/The Des Moines Register, Brian Powers) ** MAGS OUT, TV OUT, NO SALES, MANDATORY CREDIT **/The Des Moines Register via AP )

Car porter Scott Hines prepares to sanitize a vehicle in the service department at Ramsey Auto Center in response to the coronavirus outbreak, Thursday, April 2, 2020, in Urbandale, Iowa. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Charlie Neibergall)

Car porter Scott Hines sanitizes a vehicle in the service department at Ramsey Auto Center in response to the coronavirus outbreak, Thursday, April 2, 2020, in Urbandale, Iowa. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Charlie Neibergall)

Iowa Gov. Kim Reynolds speaks during a news conference updating Iowans on the status of COVID-19 cases on Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP)

Iowa Gov. Kim Reynolds speaks during a press conference updating Iowan's on the status of COVID-19 cases, Thursday, April 2, 2020, in Johnston, Iowa. (Brian Powers/The Des Moines Register via AP, Pool)