Skip to main content
. 2017 Mar 10;11:23–30. doi: 10.2147/BTT.S123831

Figure 3.

Figure 3

Changes in antibody titers against B influenza viruses in V-IH lots manufactured from 2009 to 2014.

Notes: (A) HI titers. Open circle: B/Florida/4/2006 until 2009; open square: B/Brisbane/60/2008 between 2009 and 2012; open triangle: B/Wisconsin/01/2010 between 2012 and 2013; open diamond: B/Massachusetts/2/2012 from 2013. All tests were performed in Facility C. (B) VN titers. Open circle: B/Brisbane/60/2008 in Facility A until 2012; open square: B/Brisbane/60/2008 in Facility B in 2012; open triangle: B/Wisconsin/01/2010 in Facility B between 2012 and 2013; open diamond: B/Massachusetts/2/2012 in Facility B from 2013.

Abbreviations: V-IH, Venoglobulin IH; HI, hemagglutination inhibition; VN, virus neutralizing; IVIG, intravenous immunoglobulin.