In a statement on Wednesday, the department said three people have died from the virus since early March.
The Northern Kentucky Health Department says cases of the flu are lingering this season and they are increasing in severity.
In a statement on Wednesday, the department said three people have died from the virus since early March. In addition, the statement said 25 percent of the 105 cases reported in the week that ended March 23 required hospitalization, a number that is much higher than normal.
The three recent deaths included a Campbell County female, a Boone County male and a Campbell County male, all of whom also had other health conditions.
There were two other flu-related deaths reported to the health department earlier in the flu season.
The statement said there have been a total of 3,132 flu cases reported to the health department for the 2012-2013 season.