With malaria elimination back on the international agenda, programs face the challenge of targeting all Plasmodium infections, not only symptomatic cases. As asymptomatic individuals are unlikely to seek treatment, they are missed by passive surveillance while remaining infectious to mosquitoes, thus acting as silent reservoirs of transmission. To estimate the risk of asymptomatic infections in...

BACKGROUND No studies so far have examined enteric infections in patients undergoing bone marrow transplantation (BMT) in developing countries where asymptomatic carriage and colonization with enteric pathogens is frequent. METHODS A prospective study followed 65 patients who underwent BMT in South India between 1995 and 1998. Patients were screened for enteric pathogens before transplantatio...

abstract       background and objective: chlamydia trachomatis is one of the most common causes of genital infection in men and women. genital chlamydial infections in women are clinically asymptomatic in 70-80% of the cases; therefore, the lack of timely diagnosis and treatment leads to complications such as infertility and ectopic pregnancy. the aim of this study was to evaluate the frequency...

BACKGROUND Noninvasive urine screening for Chlamydia trachomatis infections offers a valuable public health tool, that could be of vast importance in Chlamydia control programs. OBJECTIVE The goal was to determine the prevalence of C. trachomatis infections among a sexually active population, to define the epidemiological factors associated with it, and to develop potential selective screenin...

BACKGROUND The endgame of polio eradication is hampered by the international spread of poliovirus via travelers. In response to ongoing importations of poliovirus into polio-free countries, on 5 May 2014, WHO's Director-General declared the international spread of wild poliovirus a public health emergency of international concern. Our objective was to develop a mathematical model to estimate th...