title: Hajj: preparations underway.
authors.affiliation: WHO Collaborating Center for Mass Gathering Medicine, Ministry of Health, Al-Faisal University, Riyadh, Saudi Arabia. Electronic address: zmemish@yahoo.com.
authors.forename: Ziad A
authors.initials: ZA
authors.lastname: Memish
authors.affiliation: Saudi Aramco Medical Services Organization, Dhahran, Saudi Arabia; Indiana University School of Medicine, Indianapolis, IN, USA.
authors.forename: Jaffar A
authors.initials: JA
authors.lastname: Al-Tawfiq
authors.affiliation: Ministry of Health, Riyadh, Saudi Arabia.
authors.forename: Abdullah A
authors.initials: AA
authors.lastname: Al-Rabeeah
mesh_terms: D002562:Ceremonial Behavior; D003140:Communicable Disease Control; D018352:Coronavirus Infections / Q000517:prevention & control*; D006801:Humans; D007514:Islam; D012529:Saudi Arabia; D014195:Travel
references.citation: Lancet Infect Dis. 2012 Jan;12(1):10
references.pmid: 22108756
references.citation: Lancet Infect Dis. 2012 Jan;12(1):56-65
references.pmid: 22192130