权威例句
Health risk at the HajjHealth risks at the HajjHealth risks at the Hajj.Serogroup W135 meningococcal disease in Hajj pilgrims.Serogroup W-135 meningococcal disease during the Hajj, 2000Emergence of medicine for mass gatherings: lessons from the Hajj.Pattern of admission to hospitals during muslim pilgrimage (Hajj)Influenza a common viral infection among Hajj pilgrims: time for routine surveillance and vaccination.Circulation of respiratory viruses among pilgrims during the 2012 Hajj pilgrimageTuberculosis is the commonest cause of pneumonia requiring hospitalization during Hajj (pilgrimage to Makkah).