Type a influenza viruses in birds in southern Spain: serological survey by enzyme-linked immunosorbent assay and haemagglutination inhibition tests.

@article{Arenas1990TypeAI,
  title={Type a influenza viruses in birds in southern Spain: serological survey by enzyme-linked immunosorbent assay and haemagglutination inhibition tests.},
  author={Antonio Jos{\'e} Arenas and Juan Esteban Carranza and Anselmo Perea and Alice Miranda and Aurora Maldonado and Marcela Alejandra Hermoso},
  journal={Avian pathology : journal of the W.V.P.A},
  year={1990},
  volume={19 3},
  pages={539-46}
}
Of 927 sera taken from poultry from 84 flocks, 33% proved seropositive. Sixty-three per cent of flocks were found to be seropositive to ELISA (almost all situated within areas where there were waterfowl). The comparable figures, using an HI test, were 16% and 47%, respectively. These data suggest that the influenza A viruses may be enzootic in this area. Of 331 wild birds tested, belonging to 18 species of nine families, 40% proved seropositive to ELISA. Notable high infection rates were found… CONTINUE READING

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