An infant appears healthy until about nine months of age. Then he developes severe bacterial infections, one?

Question

after another. Fortunately, the infections are successfully treated with antibiotics. When infected with measles and other diseases, the infant recovers without unusual difficulty. Explain the different immune responses to these infections. Why did it take so long for this disorder to become apparent? Hint IgG

Answer 1

Hint: When do IgG & other immunoglobulin levels reflect the infants own production & when are they remnants from the mother's immune system?

Answer 2

Hint 2: The immune system responds in different ways to Bacterial infections, Viral infections and Parasite infections

Hint 3: Read up on Leukocytes, Lymphocytes and Eosinophils