Figure 2个  Table 1个
    • Pilgrims' country of origin Saudi Arabia n (%) Australia n (%) Qatar n (%)
      Number of symptomatic participants 92 15 5
      Median age in years (range) 34 (18–62) 40 (25–61) 56 (31–75)
      Gender 38 (41%) male 6 (40%) male 5 (100%) male
      'At risk'* 17 (19%) 3 (20%) 2 (40%)
      Received influenza vaccine in 2013 18 (20%) 13 (87%) 4 (80%)
      Visit medical centres during Hajj 9 (10%) 2 (13%) 0
      Lab-confirmed infection 33 (36%) 7 (47%) 2 (40%)
      Viruses
      Rhinovirus 21 (22.8%) 6 (40%) 1 (20%)
      Influenza 5 (5.4%) -- --
      Parainfluenza 3 2 (2.2%) -- --
      Adenovirus 2 (2.2%) -- --
      Coronavirus (OC43/229E) 2 (2.2%) -- --
      Parainfluenza 1 -- -- 1 (20%)
      Rhino + coronavirus -- 1 (6.7%) --
      Rhino + adenovirus 1 (1.1%) -- --
      *Pilgrims aged ≥ 65 years, and/or with pre-existing medical illnesses such as chronic lung, heart, kidney, liver, neuromuscular, metabolic or immunocompromising conditions were considered 'at risk'.

      Table 1.  Demography and virology of 112 Hajj pilgrims with respiratory symptoms in 2013 by country of origin