Kleefisch, who is vaccinated, was exposed to the coronavirus while at church on Sept. 12, three days after formally declaring her candidacy.
McCoshen tweeted a statement that he was opting out of the 2022 race one day after Michael Best Strategies announced the acquisition of McCoshen's Capitol Consultants on Tuesday. McCoshen will become a partner at Michael Best.
McCoshen served as a cabinet secretary in former Gov. Tommy Thompson's administration.
Kleefisch recently updated her campaign paperwork to prepare for a potential campaign launch.
If Republicans support Evers' plan it may signal a shift in awareness about pollution after years of environmental deregulation.
Wisconsin's tax climate for businesses is ranked 32nd in the country even after $8 billion in Republican tax cuts.
The state has already passed a law saying additional sales tax from a change in federal law should result in income tax cuts.
The move is the latest effort by Republican politicians in the lead-up to a big election year to reform the tax system.
Republicans have kept details close to the vest, but the plan balances higher taxes on gas with a lower price mark-up.
Rep. Dale Kooyenga, R-Brookfield, is developing a transportation plan that would overhaul the tax system.
Assembly Republicans plan to give every high school freshman in Wisconsin a laptop or tablet over the next two years and are open to ending Gov. Scott Walker's University of Wisconsin System tuition freeze, lawmakers said Wednesday as they outlined their plans for the upcoming legislative session.
All five of the Democrats on the Assembly Committee on Colleges and Universities voted against the six bills.
Higher education officials say a package of Republican proposals aimed at making college more affordable is a "good start," while Democrats argue the bills don't do enough to help graduates currently paying back student loan debt.
Gov. Scott Walker on Monday introduced a package of bills he says will help make college more affordable and reduce student loan debt among Wisconsinites.