Latent tuberculous infection: Ethical considerations in formulating public health policy

There is increasing interest in the introduction of public health policies relating to latent tuberculous infection (LTBI). However, there has been little previous systematic engagement with LTBI from an ethical perspective. This article offers a general overview of ethical issues in relation to LTBI, with particular focus on those aspects relevant to the development and implementation of public health policy. Key characteristics of LTBI are discussed from an ethical perspective, with examples of challenging situations for policy makers.