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Volume 9, Number 3—March 2003

Research

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

Joanna S. Ellis*Comments to Author , 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

Table 2

Antigenic analysis of influenza A H1N2 by hemagglutination inhibition assays



Post-infection ferret antisera
Virus Sample
date A/Wuhan
371/95 A/Bay
7/95 A/NewCal
20/99 A/Moscow
10/99 A/Pan
2007/99
H1N1






A/Wuhan/371/95

1,280
320
80
<40
<40
A/Bayern7/95

80
5,120
1,280
<40
<40
A/NewCaled/20/99

160
80
5,120
<40
<40
A/England/70/2002
29/1/02
160
40
1,280
<40
<40
A/England/47/2002
29/1/02
80
40
320
<40
<40
H1N2






A/England/627/2001
19/3/01
160
80
640
<40
<40
A/Scotland/122/2001
27/9/01
160
160
2,560
<40
<40
A/England/691/2001
18/12/01
80
40
1,280
<40
<40
A/England/46/2002
29/1/02
40
<40
320
<40
<40
A/England/334/2002
6/3/02
80
<40
1,280
<40
<40
H3N2






A/Moscow/10/99

<40
<40
<40
640
320
A/Panama/2007/99

<40
<40
<40
80
640
A/England/687/2001
29/11/01
<40
<40
<40
2,560
1,280
A/England/12/2002
16/1/02
<40
<40
<40
2,560
320
A/Scotland/2/2002 23/1/02 <40 <40 <40 5,120 1,280

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