TY - JOUR T1 - In this issue JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 281 LP - 281 VL - 60 IS - 4 AU - Carlos Alvarez-Dardet AU - John R Ashton Y1 - 2006/04/01 UR - http://jech.bmj.com/content/60/4/281.abstract N2 - In this issue, history teaches us some lessons about tuberculosis and different policies on health screening with respect to migration. Welshman and Bashford tease apart some of the lessons to be learned from the historical analysis of Australia’s experience of screening migrants for TB, and conclude that sometimes history can help explain what epidemiology cannot. Meanwhile, the Gallery focuses on health protection training for bioterrorism since 11 September 2001 and illustrates how inequalities extend to neighbourhood bus shelters.
 See pages 282, 315, 344 Our Glossary tackles the terms involved in one of the most important initiatives of recent years, the Cochrane Collaboration. Waters and colleagues conclude that policymakers and practitioners can now be confident that processes … ER -