Disease to be screened should fulfil the following criteria except:-
Disease to be screened should fulfil the following criteria:- * Should be impoant public health problem. * Should be recognizable latent or early asymptomatic stage. * There is an effective treatment. * Prevalence should be high. * The expected benefits of early detection exceed the risk and cost. * There is a test that can detect the disease prior to the onset of signs and symptoms. * There is good evidence that early detection and treatment reduce morbidity and moality. * Confirmatory diagnosis should be available.
There is an effective treatment
Prevalence should be high
The expected benefits of early detection exceed the risk and cost
There is a test that can detect the disease after the onset of signs and symptoms
Definition and Concepts, Examples from NHPs