​From the article: 

"There were 140 vehicles. They represented 34 counties, three states. There were no Oconto County residents parked there. However, over half of the vehicles that were there, were from counties that have 10 or more cases. So that's where our concern is, that there are people coming to Oconto County that are coming from areas that there is a high incidence of the illness," she said.

Konitzer says all County-owned ATV-UTV road routes are off limits until further notice. And the county's campgrounds, expected to open on May 1, will likely stay closed as well.

The latest closure ties in with another health department statement issued on April first, urging visitors to stay away from their seasonal homes and properties.