Surveillance is necessary for all recommended by WHO except-
At the international level the WHO maintains surveillance of impoant diseases -eg influenza, malaria, polio and gives timely warning to all national governments. Surveillance if properly pursued can provide the health agencies with an overall intelligence and disease accounting capability. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 138
Relapsing fever
Malaria
Plague
Tuberculosis
Epidemiology