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Table 1 Detection of AIV in live poultry market in Nanchang City before and after vaccination

From: Pathogen change of avian influenza virus in the live poultry market before and after vaccination of poultry in southern China

Period

N

No. Positive (%)

HA subtype (%)

H5

H7

H9

HA untyped

Before

3036

597 (19.66)

95 (3.13)

64 (2.11)

337 (11.10)

101 (3.33)

After

2160

607 (28.10)

8 (0.37)

0 (0.00)

480 (22.22)

119 (5.51)

Total

5196

1204 (23.17)

103 (1.98)

64 (1.23)

817 (15.72)

220 (4.23)

χ2

 

50.474

49.435

46.101

117.815

14.826

P

 

0.000

0.000

0.000

0.000

0.000

  1. N, the total number of samples; No. Positive (%), number of positive samples of influenza A virus (positive rate of influenza A virus); HA subtype (%), number of positive samples for H5/H7/H9/ HA untyped (positive rate of H5/H7/H9/ HA untyped)
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Virology Journal

ISSN: 1743-422X