Disease elimination is helped by
If herd immunity is sufficiently high and it's level is maintained and stepped up by an ongoing immunization programme to the point where the susceptible persons are reduced to a small propoion of population it may lead to the elimination of disease in due course. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 111
Herd immunity
Isolation
Quarantine
None
Epidemiology