RESUMEN
Background: The success of preventive measures against COVID-19 depends on the knowledge level and attitude among the public. This study aimed to assess the knowledge and adherence to preventive measures against COVID-19 among Alnakasah residents in Makkah. Methods: This is a cross-sectional study used a structured questionnaire. Data were collected from the residents of Alnakasah slum in Makkah. Responses related to the medical status, knowledge level, attitude, and barriers to preventive measures were analyzed. Results: The study indicated a low knowledge level among participants regarding the transmission mode. Fever and shortness of breath were the most common chosen symptoms with 60.8% and 34.1%, respectively. The current study also reported perceptions related to preventive measures including wearing facemasks 67.2% and vaccination 57%. The most common sources of information were family and friends 60.8%, followed by SMS and WhatsApp messages 41%. Conclusions: A relatively lower knowledge of the mode of transmission of COVID-19 was reported in the present study. However, a positive attitude toward preventive practices was exhibited in the findings. Good adherence to preventive measures was reported by the participants.