Diseases & National Health Programme
As per WHO, tuberculosis is said to be under control when:
|A||<1 % population is tuberculin positive|
|B||<1 % population is sputum positive|
|C||< 5% TB cases|
|D||None of these|
Tuberculosis control means reduction in the prevalence and incidence of disease in community. According to WHO tuberculosis 'control' is said to be achieved when the prevalence of natural infection in the age group 0 - 14 years is of the order of 1 %. This is about 40% in India.