system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Newborns have transplacentally acquired immunity against all of the following diseases except
assistant
The correct answer is  *Peussis is an acute highly contagious respiratory tract infection caused by BORDETELLA PEUSSIS . * Neither natural disease nor vaccination provides complete or lifelong immunity against peussis re-infection or disease. * Protection against typical disease begins to wane 3-5 yrs after vaccination and is unmeasurable after 12 yrs. Reference: Nelson textbook of pediatrics 21st edition Page 944