<p>The objective of the study was to review policies on management of latent tuberculosis infection in countries with low and high burdens of tuberculosis.</p> <p><strong><a href="http://www.who.int/bulletin/volumes/96/3/17-199414-ab/en/"
Bulletin of the World Health Organization
The contamination of groundwater by arsenic in Bangladesh is the largest poisoning of a population in history, with millions of people exposed. This paper describes the history of the discovery of arsenic in drinking-water in Bangladesh and recommends intervention strategies. Tube-wells were installed to provide