“…Some diseases are influenced by the season (Chew, Doraisingham, Ling, Kumarasinghe, & Lee, 1998;Paynter, Ware, Sly, Weinstein, & Williams, 2015). Respiratory diseases are the most common human diseases worldwide (Ferkol & Schraufnagel, 2014) and these diseases were mostly common in spring (Yeh, Chou, Huang, Pu, & Chou, 2016). Consistent with literature, the highest total diagnostic cost belonged to spring in our study.…”