Contents Issue 1-4 January 2019 Volume 26, Issue 1-2-3-4 , 2019 View pdf Health knowledge, attitudes and practices among pilgrims at Prince Mohammed Bin Abdulaziz International Airport in Medina during Hajj 1439H (2018). Eman Elsayed Abd-Ellatif, Sami Saeed Saeed AlMudarra, Asmma Awwad M. AlQusibri, Lujain Alassaf, Lamis AlGhamdi, Alwaleed Abdulhameed Alharbi Outbreak of acute gastrointestinal illness at a school in Arar, March 2017. Abdullah Bashir Said Al Manji, Mohamed Nageeb Abdalla, Sami Saeed Saeed AlMudarra MERS-CoV outbreak in Wadi Aldawasir General Hospital’s renal dialysis unit, March 2017. Safiah Aldubaisi, Sami Saeed Saeed AlMudarra