Etiology of Influenza A (H1N1)

  • LI Hongjun
  • LI Ning


The first case of Influenza A(H1N1) in the United States was definitively diagnosed by laboratory tests on Apr. 15, 2009.


Respiratory Epithelial Cell Gene Nucleotide Sequence Protective Neutral Antibody Animal Epidemic Disease Antigen Determinant Region 
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Copyright information

© Springer Science+Business Media B.V., Dordrecht and Tsinghua University Press 2013

Authors and Affiliations

  • LI Hongjun
    • 1
  • LI Ning
    • 2
  1. 1.Radiology DepartmentCapital Medical University Beijing You’an HospitalBeijingChina, People’s Republic
  2. 2.Capital Medical University Beijing You’an HospitalBeijingChina, People’s Republic

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