brucellosis has remained a great problem of health in most of countries, which have failed in control of zoonosis infections. this disease is caused by species of brucella and usually is transferred from animals to humans. the purpose of this study was to investigate the seroprevalence of brucellosis among animal farmers of yazd province. in this descriptive study, 933 animal farmers were inves...

RATIONALE Policy recommendations on contact investigation of HIV-seropositive patients with tuberculosis have changed several times. Current epidemiologic evidence informing these recommendations is considered low quality, and few large studies investigating the infectiousness of HIV-seropositive and -seronegative index cases have been performed in sub-Saharan Africa. OBJECTIVES We assessed t...

BACKGROUND Clinical features of pandemic H1N1 have been derived from lab-confirmed, hospitalized, or critically ill subjects. This report describes the clinical features of H1N1 and their prevalence from non-confirmed subjects according to seroprevalence status in México. The objective was to determine the prevalence of these clinical features from non-confirmed cases of pandemic H1N1 and to c...

OBJECTIVE To determine the sex and age distribution of aquaporin-4 (AQP4) autoimmunity using data derived from clinical service laboratory testing of 56,464 patient samples. DESIGN Observational analysis. SETTING Mayo Clinic Neuroimmunology Laboratory. PATIENTS Between October 1, 2005, and January 4, 2011, 56,464 patients were tested for AQP4-IgG; 2960 (5.2%) patients were seropositive. ...

INTRODUCTION Since 1970, lengthening of the rectosigmoid has been suspected to be a solitary manifestation of Chagas colopathy. METHODS To test this hypothesis, opaque enema was administered on 210 seropositive and 63 seronegative patients, and radiographs in the anteroposterior and posteroanterior positions were examined blind to the serological and clinical findings. The distal colon was me...

Serum rheumatoid factor (RF) is important in the diagnosis and prognosis of rheumatoid arthritis (RA). The purpose of this study is to compare the clinical characteristics and treatment patterns of RA according to the presence of RF in Korean patients. A retrospective analysis was performed on the records of 109 patients who were followed for at least 2 years, among 230 RA patients who visited ...

BACKGROUND Cryptococcal infection occurs in HIV-seropositive patients and is associated with high mortality. However, limited information is available on the prevalence and outcomes of cryptococcal antigenemia among hospitalized HIV-seropositive patients in sub-Saharan Africa. OBJECTIVES To determine the prevalence of and risk factors for cryptococcal antigenemia among HIV-seropositive patien...

BACKGROUND Very little is known about concordance of Toxoplasma gondii (T. gondii) infection markers among couples. Through a cross-sectional study, we sought to determine the correlation of T. gondii infection in a sample of 119 heterosexual couples in Durango State, Mexico. METHODS Participants were examined for the presence of anti-T. gondii IgG and IgM antibodies using enzyme-linked immun...