A/Milan/10/2011 had been corrected :

old:


REMARK Sequence update by submitter
COMMENT On Jun 13, 2011 this sequence version replaced gi:329315553


it had the same (pseudo-) recombination as in

A/Ontario/314095/2009/11/02(H1N1)
A/Pune/NIV9355/2009/08/(H1N1)
A/Czech Republic/32/2011(H1N1)


so, are all these just lab-errors ?