International Journal of Preventive Medicine (Int J Prev Med)2008-78021422023040327762776ENMedical Academic Center, BangkokDepartment of Community Medicine, Dr DY Patil Vidhayapeeth, Pune, India & Adjunct Professor, Department of Biological Science, Joseph Ayobabalola University, Ikeji‑Arakeji, Nigeria20230319Dear editor, COVID‑19 is the new vaccine that becomes the hope for COVID‑19 containment at present. Since COVID‑19 pandemic is still the worldwide problem, the newly available vaccine is urgently registered and used in many countries. The main consideration is on the efficacy and safety of the new vaccine. Although there are some reports on COVID‑19 vaccine clinical trials, the data are from studies among healthy adult subjects.http://ijpm.mui.ac.ir/index.php/ijpm/article/view/2776http://ijpm.mui.ac.ir/index.php/ijpm/article/download/2776/717718617