Figure 3.Correlation between host immunity and age. (A) Correlation between host immunity (the number and function of CD4+, CD8+ T cells, and NK cells) and age (between 0 and 20 years; > 20 years). (B) Correlation between host immunity (the number and function of CD4+, CD8+ T cells, and NK cells) and age (between 0 and 50 weeks). Each symbol represents an individual donor.
