 This study examined the knowledge, attitudes, and practices, KAP, of urban slum dwellers in Bangladesh regarding the prevention of COVID-19. It was found that one-third of the respondents had poor practice and one-fourth had poor knowledge. Additionally, it was observed that female respondents maintained significantly better practice than males. This article was authored by M.D. Zahid Hassan, A.M. Rumaian Hassan, M.D. Golem Rabani, and others.