I coded programs to simulate epidemiology dynamics, especially for COVID-19.
For this I also made my FIRST GUI program and app!!! (app 'GUI_SEIR_corona' is for MacOS, 64bit kernel, python3.7)
https://github.com/Yuka-Suzuki/COVID19_SEIR
Original model description was provided by Dr. Jun Ohashi (in Japanese), and my description of it (in English) can be found on the github above.
http://www.bs.s.u-tokyo.ac.jp/content/files/SEIR%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AB%E3%82%88%E3%82%8BCOVID-19%E6%B5%81%E8%A1%8C%E4%BA%88%E6%B8%AC%20200331ver3.1.pdf
