Human Antibody Responses to Avian Influenza A(H7N9) Virus, 2013
, Xi Zhang1
, Lili Ren1
, Xuelian Yu1
, Lijuan Chen1
, Hongli Zhou, Xin Gao, Zheng Teng, Jianguo Li, Jiayu Hu, Chao Wu, Xia Xiao, Yiyi Zhu, Quanyi Wang, Xinghuo Pang, Qi Jin2
, Fan Wu2
, and Jianwei Wang2
Author affiliations: MOH Key Laboratory of Systems Biology of Pathogens, Beijing, People’s Republic of China (L. Guo, L. Ren, J. Li, Q. Jin, J. Wang); Institute of Pathogen Biology, Beijing (L. Guo, L. Ren, H. Zhou, X. Gao, J. Li, C. Wu, X. Xiao, Q. Jin, J. Wang); Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China (X. Zhang, X. Yu, Z. Teng, J. Hu, Y. Zhu, F. Wu); Beijing Municipal Center for Disease Control and Prevention, Beijing (L. Chen, Q. Wang, X. Pang)
Figure 2. Avidity analysis of antibodies in patients infected with influenza A(H7N9) virus, China, 2013The avidities of IgG against influenza viruses were determined by ELISA assay with 4–7 mol/L ureaShown are avidities of IgG against H1, H3, and H7 hemagglutinin of convalescent-phase serum samples collected 17–37 days (A) and 102–125 days (B) after symptom onsetBars indicate SE.
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