The Bulletin of the World Health Organization is an international journal of public health with a special focus on developing countries. Since it was first published in 1948 the Bulletin has become one of the world's leading public health journals. As the flagship periodical of the World Health Organization (WHO) the Bulletin draws on WHO experts as editorial advisers reviewers and authors as well as on external collaborators. Special theme issue on e-health: Establishing an evidence base for e-health: the proof is in the pudding; Improving the credibility of electronic health technologies; E-health in low- and middle-income countries: findings from the Center for Health Market Innovations; Long-running telemedicine networks delivering humanitarian services: experience performance and scientific output; Early infant diagnosis of HIV infection in Zambia through mobile phone texting of blood test results; Factors that promote or inhibit the implementation of e-health systems: an explanatory systematic review; Impacts of e-health on the outcomes of care in low- and middle-income countries: where do we go from here?; Improving patient access to specialized health care: the Telehealth Network of Minas Gerais Brazil; Improving quality and use of data through data-use workshops: Zanzibar United Republic of Tanzania; Short message service sentinel surveillance of influenza-like illness in Madagascar 2008-2012; M-health for health behaviour change in resource-limited settings: applications to HIV care and beyond; Point of care in your pocket: a research agenda for the field of m-health; Successful partnerships for international collaboration in e-health: the need for organized national infrastructures; Securing the public good of health research and development for developing countries.