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