Social & Preventive Medicine Which of the following statements is true regarding peusis? A Neurological complication rate of DPT is I in 50000 B Vaccine efficay is more than 95% C Erythromycin prevents spread of disease between children D The degree of polymorphonuclear Leukocytosis correlates with the severity of cough π‘ Explanation Which of the following statements is true regarding peusis? β Correct Answer: C. Erythromycin prevents spread of disease between children