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. 2014 Jun 10;9(6):e99243. doi: 10.1371/journal.pone.0099243

Figure 1. Scatter plots of factors associated with human herpesvirus-specific serum IgG titres.

Figure 1

Correlation between serum EBV and CMV IgG titres and the individual's (A) Age and (B) CD4 cell count. (C) Correlation between serum IgG titres of different human herpesviruses. Serum IgG titres, presented as binary logarithmic PEI/ml values, were calculated based on corresponding reference sera from the Paul-Ehrlich Institute (Erlangen, Germany). The Spearman correlation test was used for statistical analysis. HSV-1, herpes simplex virus 1; HSV-2, herpes simplex virus; VZV, varicella zoster virus; EBV, Epstein-Barr virus and CMV, cytomegalovirus.