· Pattern of diseases among Hajjis visiting Mina Primary Health Care centers during the hajj season, 1429 Hijra
· Pattern of microbiological agents seen in laboratory tests performed in Ministry of Health hospitals in Makkah and Mina during Hajj 1429 Hijra
· Evaluation of buses and bus drivers in the holy city of Madinah during hajj season 1429 Hijra
· Practices of Saudi Red-Crescent Society medical teams regarding referral and transportation of emergency cases to health facilities in Makkah and Mina during Hajj season 1429 Hijra
· Evaluation of the system of wireless communication for transportation and referral of patients among Ministry of Health facilities in Madinah during Hajj season, 1429 Hijra
· Assessment of health services provided to pilgrims by Saudi Boy Scouts and their exposure to health risks during these activities during Hajj 1429 Hijra