Thirty human cases of West Nile virus have been reported in Nebraska so far this year, including the first case in Lancaster County, which was reported Friday. Nine of those people were hospitalized.
Iowa reports eight human cases so far. Four of those people were hospitalized, state officials said.
Additional cases are being investigated.
Two of Nebraska’s cases have been reported in Douglas County, both involving men who traveled within the state, a county spokesman said. Crews have yet to find a mosquito pool test positive for the virus in Douglas County, he said.
In all of 2012, Nebraska reported 193 human cases, including 78 people who were hospitalized and four who died. Iowa had 31 cases with no deaths.