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Updated: Jun 12, 2026
High-throughput Detection Method for Influenza Virus
Published on: February 4, 2012
[Analysis on influenza antibodies detection rate and infected recently among infants]
Feng-jiao Hu1, Hong-xia Ni, Su-li Jiao
1Ningbo Municipal Center for Disease Control and Prevention, Ningbo 315010, Zhejiang, China.
Objective:
To understand the status of infants infected with influenza viruses after switch over of dominant strain in the summer of 2006.
Methods:
Two groups of infants serum were collected and to be detected the antibodies of influenza viruses which the infants experienced two peaks of influenza A H1N1 circulation in the age of 3-4 and 10-11 months old and the infants only experience one circulation in 5-6 months old.
Results:
The antibody of influenza A H1N1 viruses was 31.47% in the infants who experience two circulations in 3-4 months and 10-11 months old and was 26.42% which only experience circulation in the 5-6 months old. There were no significant difference between 2 groups (chi2 = 1.207, P > 0.05).
Conclusion:
The group of 13 months age of infants were rarely infected influenza virus in the first time exposure at the age of < or =4 months due to maternal antibodies protection. Whenas, the group of 8 months age who were exposed at the age of > or =5 months, were more easier infected the influenza virus than the group of 13 months age in the first time exposure at the age of < or =4 months.
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