Saito T, Shigemoto K. A Logistic Curve in the SIR Model and Its Application to Deaths by COVID-19 in Japan. EJAS [Internet]. 2022 Sep. 24 [cited 2026 Apr. 21];10(5):157-60. Available from: https://journals.scholarpublishing.org/index.php/AIVP/article/view/13087