To the Editor: Prevalence of chronic hepatitis C virus (HCV) among blood donors has been assessed in a few West African countries ; most recent estimates range from 1.1% to 6.7% (1–4). A recent meta-analysis of studies, including a confirmation test, yielded an average prevalence of HCV infection of 3.0% (5). Until 2001, no systematic screening of HCV infection occurred among blood donors in Se...

Conventional Health Technology Assessment (HTA) is usually conducted at a point in time at which the development of the respective technology may no longer be influenced. By this time developers and/or purchasers may have misinvested resources. Thus the demand for Technology Assessment (TA) which incorporates appropriate methods during early development stages of a technology becomes apparent. ...

BACKGROUND Little information is available on the molecular epidemiology in Mexico of Mycobacterium species infecting extrapulmonary sites in humans. This study used molecular methods to determine the Mycobacterium species present in tissues and body fluids in specimens obtained from patients in Mexico with extrapulmonary disease. METHODS Bacterial or tissue specimens from patients with clini...

The article examines the formation of foundations humanist ideology Renaissance in culture European Middle Ages. main stages and development Ages their achievements are traced. We pay attention on "The Autumn Ages" (J. Huizinga) such an important component that time as court culture, castles. It was during this period a long era most changes took place social spiritual worlds Europeans, which u...

Background: Colorectal cancer (CRC) is the third common cause of malignancy in Iran, and its incidence rate has been raised due to an increase individual environmental risk factors. Objectives: The present study aimed define role human papillomavirus (HPV) infection CRC, then by drawing a phylogenetic tree, we analysis sequences isolated HPVs, finally determine viral genome physical status for ...