Fig. 2
From: Seroprevalence of diphtheria toxoid IgG antibodies in the Malaysian population
Seroprevalence of protective level of diphtheria antibody by age (2–60 years old) (n = 3317)
Fig. 2 | BMC Infectious Diseases
From: Seroprevalence of diphtheria toxoid IgG antibodies in the Malaysian population
Seroprevalence of protective level of diphtheria antibody by age (2–60 years old) (n = 3317)