Which of the following statements is true about the epidemiological determinants of measles -
SAR of some important infectious diseases

Measles → 80% 
Rubella → 90 - 95% 
Chickenpox → 90%
Pertussis → 90%
Mumps → 86%
Measles virus survives outside the human body for 5 days
Carriers are important sources of infection
Secondary attack is less than that of rubella
Incidence of measles is more in males than females