@inproceedings{paperid:1106906, author = {Gholami Chahkand, Hossein and Gachpazan, Mortaza and مجید عرفانیان}, title = {SEIaIsQRS mathematical epidemic model for Covid- 19 by using compartmental analysis and numerical simulation}, booktitle = {The 2th International and 4th National Conference on Biomathematics}, year = {2023}, location = {بابلسر, IRAN}, keywords = {COVID-19 virus; mutations; vaccination; epidemics; basic reproduction number}, }