This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Antibodies to one of the following infection is not transmitted to child - 
Select and explain. 
A. Measles, B. Peusis, C. Diphtheria, D. Polio
B: Peusis
Answer: B: Peusis 
Explanation: Ans. is 'b' i.e., Peussis Protective Antibodies against peussis doe not corss plecenta. o So, early immunization is desired.