Abstract:
Objective To detect the seroepidemiologic antibody to the subtypes of avian influenza A virus, H5 and H9 in poultry breeding workers, to understand the infection of avian influenza A virus.
Methods For detecting antibody to these two subtypes with HI test, 277 serum specimens were collected from poultry breeding workers, and 270 were from normal Entry-Exit passengers in Zhuhai port.
Results In poultry breeding workers, the positive rate to H9 was 2.17%, and 1 serum specimens had antibody to H5, The positive rate was 0.36%, while in normal Entry-Exit passengers, the positive rate to H9 was 2.196%, but none had antibody to H5.
Conclusion H9 subtype influenza A virus had already infected human beings, the positive rate was nothigh.It was attention to H5 subtype in poultry breeding workers.
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