Ehrlichiosis is a zoonotic disease that is caused by bacteria of the genus Ehrlichia. The aims of this study were to detect the presence of Ehrlichia spp. in the blood of dogs in Ituberá, Bahia, and to compare the sensitivities and specificities of blood smear, serological, and molecular examinations. Furthermore, this study identified factors associated with exposure to the agent in dogs in th...

background tubercle bacilli most often are transmitted from one person by the airborne route. the aim of the present study was to determine the frequency of latent tuberculosis infection and active pulmonary tuberculosis among patients with chronic psychiatric disorders in hamedan. patients and methods in a cross sectional study, 215 patients with chronic psychiatric disorders were investigated...

BACKGROUND The appearance of smear-positivity but culture-negativity (SPCN) for acid-fast bacilli among sputum specimen is frequently found in pulmonary tuberculosis (TB) patients during treatment. This study aimed to investigate clinical risk factors, impacts on treatment course, and relapse pattern associated with sputum SPCN. METHODS We retrospectively enrolled 800 patients with culture-pr...

Abstract Background Tuberculosis remains a serious public health concern globally. The enormous social, economic, and impacts of the diseases are attributed to lack updated data on prevalence, geospatial distribution, population structures, genotypic variants circulating M. tuberculosis . Methods Structured questionnaire, mycobacterial culture, standard 24-Mycobacterial Interspersed Repeated Un...

Days to positivity in automated liquid mycobacterial culture have been shown to correlate with mycobacterial load and have been proposed as a useful biomarker for treatment responses in tuberculosis. However, there is currently no quantitative method or model to analyze the change in days to positivity with time on treatment. The objectives of this study were to describe the decline in numbers ...

Background. Tuberculosis (TB) still remains a growing public health problem globally. TB in children is often diagnosed clinically. Methods. We conducted a retrospective chart review of children with TB from November 2004 through December 2010 to determine the appropriateness of using contact history and diagnostic testing. Results. A total of 250 children with TB were identified. One hundred a...

BACKGROUND World Health organization (WHO) declared tuberculosis as a global emergency because it poses a serious public health threat in different countries especially, in Africa. According to WHO report of 2007, Directly Observed Treatment Short course (DOTS) coverage in Ethiopia reached 95 percent of the population; despite this fact the trend of tuberculosis in most of the districts of Ethi...

OBJECTIVE To examine the influence of age and sex on the grading of tuberculosis (TB) sputum smear microscopy results. SETTING Laboratories in Moldova, Mongolia, Uganda and Zimbabwe. METHODS Data from nationally representative samples of laboratory registers were double-entered and validated, and discordances were resolved by rechecking against the registers. RESULTS The dataset comprised...