Rex Bell voted Friday from IU Health Methodist Hospital, where he was transferred after falling ill last week.
The Libertarian candidate for governor is doing well and expected to make a full recovery.
Health officials have confirmed cases of influenza A in humans, but they say people should not worry about an epidemic.
A Statehouse tour group reported difficulty breathing Thursday morning. The three taken to the hospital are reportedly in stable condition.
Parker's organization has distributed about 800 bags in just three years.