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. 2012 Aug 20;7(8):e41866. doi: 10.1371/journal.pone.0041866

Table 2. Haemmaglutination Inhibition Assay for Pakistani A(H1N1)pdm09 viruses.

Reference Ferret Antisera
Antigens A/California/7/2009 A/England/195/2009 A/Brisbane/59/2007
A California/7/2009 1280 2560 20
A/England/195/2009 2560 2560 ND
A/Brisbane/59/2007 (seasonal H1N1) <10 ND 1280
Pakistan Isolates
A/Pakistan/81/2009 2560 2560 ND
A/Pakistan/154/2009 5120 5120 ND
A/Pakistan/27/2009 2560 ND <10

ND: Not Done.