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. 2013 Feb 14;17(7):e510–e517. doi: 10.1016/j.ijid.2013.01.006

Table 4.

Hospitalizations and deaths by pathogen

Pathogen Hospitalized % (n)
Death % (n)
Age <18 Age 18–59 Age ≥60 Age <18 Age 18–59 Age ≥60
Adenovirus 41.8% (7) 66.7% (10) 100% (3) 6.7% (1)
Bordetella pertussis 100% (2) 33.3% (1)
Coronavirus 33.3% (4) 24% (12) 73.3% (11) 2% (1) 13.3% (2)
 229E 45.5% (5) 100% (2)
 NL63 25% (2) 100% (1)
 OC43 40% (4) 16.1% (5) 66.7% (8) 3.2% (1) 16.7% (2)
Influenza 25.6% (11) 43.8% (39) 72.2% (13) 11.1% (2)
 A 60% (3)
 A H1N1 2009 80% (4)
 A H3N2 25% (4) 50% (23) 72.7% (8) 9.1% (1)
 B 29.2% (7) 27.3% (9) 83.3% (5) 16.7% (1)
Metapneumovirus 63.6% (7) 50% (11) 88.9% (8) 22.2% (2)
Mycoplasma pneumoniae 100% (4) 100% (1) 100% (1)
Parainfluenza virus 66.7% (4) 41.7% (5) 100% (2) 16.7% (1)
 1
 2
 3 66.7% (4) 42.9% (3) 100% (1) 16.7% (1)
 4 40% (2) 100% (1)
Rhinovirus 58.6% (17) 59% (59) 81.3% (26) 7% (7) 12.5% (4)
Respiratory syncytial virus 76.5% (26) 53.3% (8) 100% (8) 5.9% (2) 25% (2)
 A 75.8% (25) 53.3% (8) 100% (6) 6.1% (2) 33.3% (2)
 B 100% (1) 100% (2)
Mixed infections 49% (25) 56.7% (34) 100% (14) 10% (6) 7.1% (1)
Negative cases 34.6% (18) 51.7% (123) 88% (73) 4.6% (11) 27.7% (23)
Total 46.2% (121) 49.8% (306) 84.1% (159) 1.5% (4) 4.2% (26) 19% (36)