A feared spike in Wisconsin’s coronavirus infection rate following its April 7 in-person presidential primary never materialized, although some new cases of the virus were possibly linked to the election, according to a report.

A team of doctors from Wisconsin and Florida plus a mathematician in Alabama examined data from the post-election period of April 12-21, meaning five to 14 days after election, when new cases of the virus from April 7 likely would have become apparent, the Wisconsin State Journal of Madison reported Friday.

Prior to the election, Wisconsin’s coronavirus infection rate was about one-third of the rate for the entire U.S. and dropped even lower compared to the U.S. after the election, the study said, according to the newspaper.