Skip to main content

Table 1 Seroprevalence of antibodies against H1N1, H1N2 and H3N2 in Farm 1 obtained by HI test

From: Swine influenza virus infection dynamics in two pig farms; results of a longitudinal assessment

Percentage of seropositive animals*

Age (weeks)

H1N1

H1N2

H3N2

 

Seroprevalence (%)

95% CI

Seroprevalence (%)

95% CI

Seroprevalence (%)

95% CI

17

83.7

74.5-90.1

0

0-4.7

80.6

71.1-87.6

20

51.6

41.2-61.9

0

0-4.8

96.8

90.5-99.1

24

53.2

42.7-63.5

0

0-4.9

77.7

67.7-85.3

  1. * Cut-off = ≥ 1:20
  2. CI, exact binomial confidence interval