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
Newborns have transplacentally acquired immunity against all of the following diseases except - 
Select and explain. 
A. Measles, B. Peusis, C. Diphteria, D. Poliomyelitis
B: Peusis
Answer: B: Peusis 
Explanation: Ans. is 'b' i.e., Peusis