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Table 4 Results of testing of the heterologous sera in the H7 inhibition ELISAs

From: An enzyme-linked immunosorbent assay for detection of avian influenza virus subtypes H5 and H7 antibodies

Immunisation PMV8 (n = 7) H16N3 (n = 6) H1N2 (n = 11) H9N9 (n = 7) H10N4 (n = 13) H5N7 (n = 14) H5N2c (n = 11) H5N2o (n = 20)
H7N1ag-ELISA -6.6 (10.1) 10.3 (17.3) 12.8 (22.1) 12.0 (19.6) 19.6 (38.2) 12.1 (25.7) 5.2 (11.0) 13.5 (26.1)
  11.3 (29.3)
H7N7ag-ELISA 0.6 (6.1) 6.8 (22.2) 3.3 (17.3) 13.0 (25.7) 1.1 (13.2) 15.7 (30.2) 3.1 (12.0) 1.7 (14.6)
  4.4 (19.9)
2 subsequent ELISA -7.1 (7.6) 4.3 (14.7) 3.1 (16.2) 10.1 (18.1) 1.1 (13.2) 11.1 (24.0) 2.7 (10.7) 1.7 (14.4)
  3.0 (17.7)
  1. Values are given as mean inhibition percentages and mean + 2 standard deviations (in brackets). 2 subsequent ELISA implies that the first ELISA is done using the H5N7 antigen and then a secondary ELISA is performed with the H5N2 antigen.