About 16 million adolescent girls between 15 and 19 years of age give birth each year. Babies born to adolescent mothers account for roughly 11% of all births worldwide, with 95% occurring in developing countries. For some of these young women, pregnancy and childbirth are planned and wanted, but for ma...
Conventional light microscopy of Ziehl-Neelsen-stained smears prepared directly from sputum specimens is the most widely available test for diagnosis of tuberculosis (TB) in resource-limited settings. Ziehl-Neelsen microscopy is highly specific, but its sensitivity is variable (20–80%) and is significa...
HIV is increasingly affecting the health and welfare of children and undermining hard-won gains in child survival in some of the highly affected countries. Recent estimates from UNAIDS suggest that, globally, about 2.1 million children younger than 15 years of age have HIV. The roll out of paediatric HIV...
Research over the past decade has resulted in the development of two commercial interferongamma release assays (IGRAs), based on the principle that the T-cells of individuals who have acquired TB infection respond to re-stimulation with Mycobacterium tuberculosis-specific antigens by secreting interferon...
Low birth weight (LBW) has been defined by the World Health Organization (WHO) as weight at birth less than 2500 g. The global prevalence of LBW is 15.5%, which means that about 20.6 million such infants are born each year, 96.5% of them in developing countries. There is significant variation in LBW rate...
