this study was planned to determine hiv seroprevalence among pulmonary tuberculosis patients, to characterize the isolated mycobacteria into typical and atypical strains and to evaluate the drug resistant pattern of mycobacterial isolates. the study aims to correlate multidrug resistance (mdr) and hiv seropositivity status in pulmonary tuberculosis patients. during the year 1994-1997, 750 pulmo...

multidrug-resistant (mdr) and extensively drug-resistant (xdr) tuberculosis (tb) are increasing globally. treatment options for these patients are very limited. although treatment of these patients with standardized regimen is associated with high mortality and morbidity, rational usage of new drugs might be promising. in this study we will review epidemiology of xdr-tb and tdr-tb in iran and t...

objective(s) tuberculosis (tb) is the leading cause of mortality among the infectious diseases, especially in developing countries. one of the main goals in tuberculosis research is to identify antigens which have the ability of inducing cellular and/or humoral immunity in order to use them in diagnostic reagents or vaccine design. the aim of this study was to clone and express the tb'0.4 ...

background epidemiological information on tuberculosis (tb) is required to plan control and prevention strategies and to inform service delivery systems. the aim of present study was to determine the epidemiological status of tb in hamadan province covering a seven-year period.   methods in this cross-sectional study all registered tb patients suffering from any form of smear-positive, smear-ne...

background there are few quantitative documents about the seasonal incidence of tuberculosis (tb) among immigrant populations. concerning the significant role of recognizing seasonal changes of tb in improving the tb control program, this study determines the trend and seasonal temporal changes of tb among immigrants entering iran.   methods in this longitudinal study, data from the iranian tb ...