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Table 2 Detection of antibodies to HA and NP proteins of AIV in sera herring gulls measured at different time-points of experiment

From: Pathogenicity of highly pathogenic avian influenza H5N8 subtype for herring gulls (Larus argentatus): impact of homo- and heterosubtypic immunity on the outcome of infection

Sampling time

Group A

Group B

Group C

HIa

ELISA

HIa

ELISA

HIa

ELISA

Day of challenge with LPAIV

–

–

Not tested

0/12

Not tested

0/12

Day of challenge with HPAIV

Not tested

0/12

9/12b

(GMT* 3.9 log2)

4/12

3/12c

(GMT 3.7 log2)

0/12

2 weeks post challenge with HPAIV

0/1

0/1

5/5d

(GMT 8.8 log2)

5/5

3/4d

(GMT 8.7 log2)

3/4

  1. avalues in brackets represent mean geometric titers (log2).
  2. btested with A/mallard/Poland/141/2015(H5N1) antigen.
  3. ctested with A/common gull/Poland/MW241/2011(H13N6) antigen.
  4. dtested with A/herring gull/Poland/MB082B/2016 (H5N8) antigen.
  5. *geometric mean titer.
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Veterinary Research

ISSN: 1297-9716