Volume 9, Number 3—March 2003

Research

Influenza AH1N2 Viruses, United Kingdom, 2001–02 Influenza Season

Joanna S. Ellis* , Adriana Alvarez-Aguero†, Vicky Gregory†, Yi Pu Lin†, A. Hay†, and Maria C. Zambon*

Author affiliations: *Central Public Health Laboratory, London, United Kingdom; †National Institute for Medical Research, London, United Kingdom

Main Article

Figure 2

Figure 2. Age distribution of patients from whom influenza A viruses isolated during 2001–02 in the U.K. ■H1N1 isolates, ■H1N2 isolates, □H3N2 isolates.

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