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Table 4 Influenza cases detected by coordinating site, virus, and age group

From: First-year results of the Global Influenza Hospital Surveillance Network: 2012–2013 Northern hemisphere influenza season

 

Valencia (N = 236)

St. Petersburg (N = 652)

Moscow (N = 471)

Turkey (N = 36)

France (N = 150)

Virus

< 18 y

18-64 y

≥ 65 y

< 18 y

18-64 y

≥65 y

< 18 y

18-64 y

≥ 65 y

< 18 y

18-64 y

≥ 65 y

18-64 y

≥ 65 y

Total A

20 (40.0)

29 (54.7)

40 (30.1)

240 (64.0)

171 (66.0)

11 (61.1)

51 (64.6)

284 (75.9)

10 (55.6)

9 (100.0)

17 (94.4)

9 (100.0)

43 (64.2)

43 (51.8)

A(H1N1)

19 (38.0)

28 (52.8)

35 (26.3)

113 (30.1)

100 (38.6)

5 (27.8)

30 (38.0)

217 (58.0)

6 (33.3)

9 (100.0)

16 (88.9)

7 (77.8)

20 (29.9)

10 (12.0)

A(H3N2)

0 (0.0)

1 (1.9)

4 (3.0)

78 (20.8)

48 (18.5)

6 (33.3)

18 (22.8)

53 (14.2)

4 (22.2)

0 (0.0)

1 (5.6)

2 (22.2)

18 (26.9)

29 (34.9)

A - Not subtyped

1 (2.0)

0 (0.0)

1 (0.8)

49 (13.1)

23 (8.8)

0 (0.0)

3 (3.8)

14 (3.7)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

5 (7.5)

4 (4.8)

Total B

30 (60.0)

24 (45.3)

93 (69.9)

144 (38.4)

96 (37.1)

7 (38.9)

28 (35.4)

91 (24.3)

8 (44.4)

0 (0.0)

1 (5.6)

0 (0.0)

26 (38.8)

40 (48.2)

B/Yamagata

28 (56.0)

23 (43.4)

92 (69.2)

127 (33.9)

80 (30.9)

6 (33.3)

6 (7.6)

12 (3.2)

2 (11.1)

0 (0.0)

1 (5.6)

0 (0.0)

20 (29.9)

39 (47.0)

B/Victoria

2 (4.0)

1 (1.9)

1 (0.8)

10 (2.7)

14 (5.4)

1 (5.6)

2 (2.5)

15 (4.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

6 (9.0)

1 (1.2)

B - Not subtyped

0 (0.0)

0 (0.0)

0 (0.0)

7 (1.9)

2 (0.8)

0 (0.0)

20 (25.3)

64 (17.1)

6 (33.3)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

Total

50 (100)

53 (100)

133 (100)

375 (100)

259 (100)

18 (100)

79 (100)

374 (100)

18 (100)

9 (100)

18 (100)

9 (100)

67 (100)

83 (100)

  1. Values are n (%). Patients may have had more than one influenza virus due to a mixed infection.