Contents Issue 1-4 January 2018 Volume 25, Issue 1-2-3-4 , 2018 View pdf Evaluating the usability and perceived impact of HESN in infection control bundles. Haifa Saud Al-Kheledan, Randa Nooh Scabies outbreak in a Makkah city, Saudi Arabia, 2018. Sultan Khalid Aldahash, Shady Abdulrahman Kamel, Asmma Awwad M. AlQusibri Sociodemographic characteristics and smoking behaviors among visitors to smoking cessation clinics in Riyadh, 2018. Motaz Salem ALYami, Bader Alibrahim Foodborne disease outbreak among Sudanese pilgrims at a hotel in Jeddah, August 2017. Ali Ahmed Theban, Sami Saeed Saeed AlMudarra, Ahmad Mohammad Al-Asmari