Carries are impoant in all the following except ?
Ans. is 'c' i.e., Measles o Though incubatory carrier state occurs in measles, it is not so impoant. "The only source of infection is a case of measles. Carriers are not known to occur". - Park o In all other three disease, carrier state is impoant in transmission of infection.
Polio
Typhoid
Measles
Diphtheria