The investigation was initiated on 27th April, 2022. Additional cases were searched using ILI case definition and an influenza case was defined as any OYESS student presenting with fever, headache, cough, or sore throat from 10th March – 23rd May, 2022. We conducted contact tracing, follow-ups, and assessment of dormitories. Variables of interest were age, sex, dormitory of residence, date of onset, and specimen results. Descriptive analysis of data were performed and presented in tables and charts.