Volume 18, Number 10—October 2012
Influenza A(H1N1)pdm09 Virus in Pigs, Réunion Island
|Virus strain||HI titers† obtained with reference swine hyperimmune serum samples directed against
|California/04/09‡||Sw/England/ 117316/86§||Sw/Cotes d'Armor/0388/09¶||Sw/Flandres/1/98#||Sw/Scotland/ 410440/94**|
*HI, hemagglutination inhibition.
†HI tests were performed according to standard procedure (5).Titers are expressed as the reciprocal of the highest dilution of serum that inhibits 4 hemagglutination units of virus.
§Classical swine A(H1N1).
¶Avian-like swine A(H1N1).
#Human-like reassortant swine A(H3N2).
**Human-like reassortant swine A(H1N2).
1These authors contributed equally to this article.
2These authors contributed equally to this article.