• Soha Makki, Ayesha Siddiqua, Shadma Wahab, Sazada Siddiqui, Md Faheemuddin, Israa Abobaker, Alaa Abdelmoniem, and Arwa Khaled.
• Department of Clinical Pharmacy, King Khalid University, Abha, Kingdom of Saudi Arabia.
• Patient Prefer Adher. 2022 Jan 1; 16: 325732653257-3265.

BackgroundAs vaccination is a cornerstone strategy to prevent the spread of COVID-19, this study assessed and compared beliefs about and barriers to COVID-19 vaccination among the population of three countries with different Human Development Index (HDI) scores: Saudi Arabia (very high), India (medium), and Sudan (low).MethodsA web-based, self-administered structured questionnaire was employed to collect data from the three countries. The questionnaire contained three sections that measured sociodemographic characteristics, participants' beliefs about and attitudes toward COVID-19 vaccines, barriers to receiving COVID-19 vaccines, and scenarios in which there is a possibility to take a COVID-19 vaccine. Multinomial logistic regression was used to determine whether there was an association between the country of the participant and their beliefs about COVID-19 vaccines.Results972 responses were collected. The study participants from India were more likely to believe in the safety and efficacy of vaccines than those from Saudi Arabia or Sudan. Consequently, they reported more willingness to get vaccinated to avoid complications from COVID-19. Regarding barriers to COVID-19 vaccination, concerns about adverse effects and ineffectiveness of vaccines were more common among Saudi participants, while concerns about conspiracy were more common among Sudanese participants.ConclusionCOVID-19 vaccine acceptance was higher in countries with a very high to medium Human Development Index, indicating greater belief in the safety and efficacy of COVID-19 vaccines.© 2022 Makki et al.

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