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