Coronavirus-spurred changes to Ohio's primary raise concerns about November

FILE PHOTO: Patrick Kapple, right, waits in line outside Riverside University High School to cast a ballot during the presidential primary election held amid the coronavirus disease (COVID-19) outbreak in Milwaukee, Wisconsin, U.S. April 7, 2020. REUTERS/Daniel Acker/File Photo

WASHINGTON (Reuters) - Ohio will hold its primary election on Tuesday, a virtually all-mail contest that could serve as a test case for voting in the coronavirus era.

Citing public health concerns, the state's legislature moved back the date of the primary, originally slated for March 17, to April 28 and sharply curtailed in-person voting.