Contents Issue 1-2 January 2021 Volume 28, Issue 1-2 , 2021 View pdf Impact of school reopening on COVID-19 transmission patterns. Shady Abdulrahman Kamel Job satisfaction of health care workers in Mina pri-mary healthcare centers during Hajj season (1439H- 2018G) Bader Alibrahim, Shady Abdulrahman Kamel, Eman Elsayed Abd-Ellatif, Sami Saeed Saeed AlMudarra, Mohamed Nageeb Abdalla, Suhaib Talal Abdullah Alsulimani, Rayan Almutairi, Abdulaziz Aldashan Disability Prevalence Among Pilgrims and Common Barriers Affecting Their Performance, Hajj 2019. Shady Abdulrahman Kamel, Sami Saeed Saeed AlMudarra, Suhaib Talal Abdullah Alsulimani, Rayan Almutairi, Abdulaziz Aldashan, Abdullah AlRasheed, Joana Gaines
