ST. PAUL, Minn. — Two deaths from mosquito-borne West Nile disease have occurred in Minnesota so far this season, the state health agency reported. These were among 20 total reported cases. The agency didn’t release locations. Most mosquito-prone are western and central counties. There likely are more cases, the agency noted. Many people don’t recognize anything more than mild fever and aches. In worst cases, infections lead to fatal encephalitis or meningitis.