Send to

Choose Destination
Clin Infect Dis. 2011 Jan 1;52 Suppl 1:S13-26. doi: 10.1093/cid/ciq008.

Epidemiology of 2009 pandemic influenza A (H1N1) in the United States.

Author information

Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.


In April 2009, the Centers for Disease Control and Prevention confirmed 2 cases of 2009 pandemic influenza A (H1N1) virus infection in children from southern California, marking the beginning of what would be the first influenza pandemic of the twenty-first century. This report describes the epidemiology of the 2009 H1N1 pandemic in the United States, including characterization of cases, fluctuations of disease burden over the course of a year, the age distribution of illness and severe outcomes, and estimation of the overall burden of disease.

[Indexed for MEDLINE]

Supplemental Content

Full text links

Icon for Silverchair Information Systems
Loading ...
Support Center