International Journal of Preventive Medicine (Int J Prev Med)2008-78021342022072526402640ENPrivate Academic Practice, BangkokDepartment of Community Medicine, Dr DY Patil University, Pune20220509Dear Editor, I would like to share ideas on air purifiers use for COVID‑19 prevention. The air purifer is a widely used tool by many people aiming at prevention during COVID‑19 outbreak. Basically, air purifiers have an internal fans for pulling the air in through a series of filters. Filtration occurs at the filters and the airborne particles like dust, pollen, and pathogen are trapped.http://ijpm.mui.ac.ir/index.php/ijpm/article/view/2640http://ijpm.mui.ac.ir/index.php/ijpm/article/download/2640/717718500