Infants are most susceptible to bacterial infection due to low circulating levels of IgG

Question: Infants are most susceptible to bacterial infection due to low circulating levels of IgG
[A].

in utero (before birth)

[B].

at 0-3 months of age

[C].

at 3-12 months of age

[D].

at 12-24 months of age

Answer: Option C

Explanation:

No answer description available for this question.