Which maternal antigens are protective against diseases such as diphtheria, tetanus, streptococcal infections, and measles?
A. IgA and IgE
B. IgA and IgG
C. IgD and IgE
D. IgG and IgM
E. All classes of immunoglobulins
Answer: B
Which maternal antigens are protective against diseases such as diphtheria, tetanus, streptococcal infections, and measles?
A. IgA and IgE
B. IgA and IgG
C. IgD and IgE
D. IgG and IgM
E. All classes of immunoglobulins
Answer: B