Maternal antibodies do not occur for?: (A) Polio, (B) Diphtheria, (C) Whooping cough, (D) Tetanus
Answer is C. <p> Infants are susceptible to peussis infection from bih because maternal antibody does not appear to give them protection. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:164. <\p>