Dr Khadeejah Kamaldeen of the Kwara State Epidemiology Unit made the confirmation in an interview with newsmen in Ilorin.
Kamaldeen said that the patients are responding to treatment and are expected to make full recovery.
The Epidemiologist said earlier confirmation of the yellow fever cases were diagnosed in Lagos University Teaching Hospital.
She said that samples were additionally sent to Dakar, Senegal for further confirmation that proved positive.
Kamaldeen explained that yellow fever is a vaccine preventable disease and urged residents to go for vaccination against it.
She appealed to mothers across the state to pay special attention to vaccination of their children.
According to her, the state government needed more support from partners in terms of vaccination logistics for yellow fever to allow for wider coverage of the state.
Kamaldeen said the symptoms for yellow fever are fever, headache, vomiting and fatigue, while in extreme cases there are emission of blood from victim’s mouth and nose like Lassa fever.
She added that yellow fever is not contagious but advised anyone with such symptoms to report to the state Ministry of Health.
The epidemiologist also advised people to use long lasting insecticidal nets and mosquito repellents to prevent yellow Fever.