Figure 1
From: Seroprevalence of diphtheria toxoid IgG antibodies in children, adolescents and adults in Poland

Geometric mean concentration of diphtheria toxoid antibodies in the Polish population according to the age groups.
From: Seroprevalence of diphtheria toxoid IgG antibodies in children, adolescents and adults in Poland
Geometric mean concentration of diphtheria toxoid antibodies in the Polish population according to the age groups.