International Journal of Preventive Medicine (Int J Prev Med)2008-780215920241120293529351 Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran, 2 Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan1 Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, IsfahanDepartment Neurology, University of Cincinnati, Cincinnati, OH1 Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran, 2 Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan20241120Dear Editor, Coronavirus disease 2019 (COVID‑19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) infection. SARS‑CoV‑2 is a member of the RNA family called Coronaviridae, which has swept the world from December 2019 onward.[1] Due to the morbidity, mortality, no definite therapy, and multiple problems that the virus has caused worldwide, most countries have tried to make vaccines with various technologies and methods.[http://ijpm.mui.ac.ir/index.php/ijpm/article/view/2935http://ijpm.mui.ac.ir/index.php/ijpm/article/download/2935/717718776