Data on socio-economic status, exposure to risk factors for tuberculosis (TB) and previous health-seeking for TB may be included in a TB prevalence survey to gain better knowledge about the distribution of TB in the population as well as a better …
OBJECTIVE: To evaluate the validity of the fixed mathematical relationship between the annual risk of tuberculous infection (ARTI), the prevalence of smear-positive tuberculosis (TB) and the incidence of smear-positive TB specified as the Styblo …