Specificity
This antibody reacts with M1 proteins of all Influenza B viruses tested to date (> 100 strains) as examined by ICC staining, including lineage Yamagata strains; Mie/1/1993, JohanesBurg/5/1999, Florida/4/2006 and lineage Victoria strains; Lee/1940, Gif/21/1973, Shangdong/7/1997, Malasia/2506/2004, and Massachustts/2/2012.