Social & Preventive Medicine Which of the following statements is true about the epidemological determinants of measles ? A Measles virus survives outside the human body for 5 days B Carriers are impoant sources of infection C Secondary attack is less than that of rubella D Incidence of measles is more in males than females 💡 Explanation Which of the following statements is true about the epidemological determinants of measles ? ✓ Correct Answer: C. Secondary attack is less than that of rubella