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Table 6 Seasonal distribution of GII NoV-AGE patients with different genogroups

From: Molecular epidemiology of genogroup II norovirus infections in acute gastroenteritis patients during 2014–2016 in Pudong New Area, Shanghai, China

 

GII.4 (n (%))

GII.17 (n (%))

Other GII (n (%))

χ2

P value

Year

 2014

148 (43.5)

35 (9.0)

36 (25.9)

259.95

<0.001

 2015

46 (13.5)

267 (67.0)

43 (30.9)

  

 2016

146 (43.0)

85 (22.0)

60 (43.2)

  

Season

 Spring (Mar–May)

27 (7.9)

204 (52.7)

47 (33.9)

308.71

< 0.001

 Summer (Jun–Aug)

33 (9.7)

38 (9.8)

26 (18.7)

  

 Autumn (Sep–Nov)

204 (60.0)

22 (5.7)

33 (23.7)

  

 Winter (Dec–Feb)

76 (22.4)

123 (31.8)

33 (23.7)

  

 Total

340

387

139