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Title:

Original Antigenic Sin and Pandemic (H1N1) 2009

Authors:
Amesh A. Adalja, D. A. Henderson
Date posted:
June 01, 2010
Publication type:
Letter
Publication:

Emerg Infect Dis 2010;16(6):1028-1029

Publisher:
Centers for Disease Control and Prevention
DOI:
10.3201/eid1606.091563
Availability:
Open access
See also:

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Additional Reading: "The Wages of Original Antigenic Sin," accompanying commentary from D.M. Morens, D.S. Burke, and S. B. Halstead.

Introduction:

While pandemic (H1N1) 2009 was in its earliest stages, age distribution data indicated surprisingly few cases among persons >65 years of age. The initial assumption was that few persons >65 years of age had yet to be exposed. However, as more data became available from Mexico, Australia, and the United States, the age distribution pattern persisted.1

 

 

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