Contents Issue 1-4 January 2016 Volume 23, Issue 1-2-3-4 , 2016 View pdf Factors that contributed to prolongation of an outbreak of Middle East Respiratory Syndrome (MERS) in a major hospital in Riyadh, Saudi Arabia.Hussain Ali Al Arbash, Hassan El Mahdi El Bushra A Cluster of Deaths in a Neonatal Intensive Care Unit (NICU) in Al-Baha, November 2015.Ahmad Ali Alghumgham, Hassan El Mahdi El Bushra Knowledge of dental health care workers regarding transmission of blood-borne infections and infection control resources assessment in the primary health care centers of Al-Ahsa region, April 2016.Zainab Alshayeb, Shady Abdulrahman Kamel MERS-CoV Outbreak Investigation in King Khalid University Hospital, Riyadh, Feb - Mar 2015.Ahmad Ali Alghumgham, Randa Nooh Awareness of patient safety culture among Health care workers in primary healthcare centers, Dammam 2016.Sadoof Habib Alaswad, Abdul Jamil Choudhry