https://arstechnica.com/tech-policy/2020/04/at-least-seven-got-covid-19-during-wisconsins-election-officials-say/

Wisconsin's controversial decision to hold a primary election in the middle of the coronavirus epidemic has led to the infection of at least seven people, Milwaukee health officials say.

According to officials, six voters and one poll worker have tested positive for COVID-19. They added that more cases could emerge in the coming days. It's also not known how many infections may have happened in other parts of the state.