Strains of the Beijing/W genotype family of Mycobacterium tuberculosis have caused large
outbreaks of tuberculosis, sometimes involving multidrug resistance. This genetically highly …

A large, genetically related group of Mycobacterium tuberculosis strains, variously called W
or Beijing, is distinguished by specific molecular markers and referred to as the W-Beijing …

Background Despite the prevalence of multidrug-resistant tuberculosis in nearly all low-
income countries surveyed, effective therapy has been deemed too expensive and …

Multidrug-resistant tuberculosis (MDR) is perceived as a growing hazard to human health
worldwide. Judgments about the true scale of the problem, and strategies for containing it …

ABSTRACT A collection of 119 strains of Mycobacterium tuberculosis isolated from patients
with pulmonary tuberculosis in the Archangel Oblast, Russia, in 1998 and 1999 were …

Molecular epidemiological studies suggest that particular Mycobacterium tuberculosis
strains have an enhanced capacity to spread within a community. One strain, the Beijing …

Metodología Se realizó una amplia búsqueda de las publicaciones sobre la reforma, en la
literatura indexada nacional e internacional, en las publicaciones no indexadas de salud …

ABSTRACT The Mycobacterium tuberculosis Beijing genotype has drawn attention because
it is often strongly associated with multidrug-resistant tuberculosis (MDR-TB). A possible …

One hundred twenty years later, and nearly 60 years after the discovery of anti-tuberculosis
drugs, how far has medicine advanced since the time of Koch? For the majority of the world's …

The nature of the variability in the clinical and epidemiological consequences of
Mycobacterium tuberculosis infection remains poorly understood. Environmental and host …