BACKGROUND and AIM: After the rapid spread of COVID-19 in Daegu City and Gyengsangbuk-do Province (Daegu-Gyengbuk) in February 2020. the guidelines were relaxed in May 2022. and the infection crisis level was lowered to Level 1 in May 2024. We aim to analyze the changes of seasonal epidemic of seven respiratory viruses (adenovirus. https://otsportszones.shop/product-category/pennant/