Which of the following are components of epidemiological triad?
(a) Sensitivity, specificity and predictive value
(b) Time, place and person distribution
(c) Agent, host and environmental factors
(d) Prevalence, incidence and attack rate
Which of the following are components of epidemiological triad?
(a) Sensitivity, specificity and predictive value
(b) Time, place and person distribution
(c) Agent, host and environmental factors
(d) Prevalence, incidence and attack rate