Latent tuberculosis infection - preventive approaches

Major Symposium
Chairs: T. Schaberg (Rothenburg, Germany), L. Casali (Pavia, Italy)
Aims: This symposium will discuss other current and future methods of prevention.

Can we define latent tuberculosis infection? M. W. Borgdorff (The Hague, The Netherlands)
Who is at risk for active tuberculosis? P. D. O. Davies (Liverpool, United Kingdom)
How should we treat latent tuberculosis infection? P. Ormerod (Lancashire, United Kingdom)
Other options of prevention - the current state and the future G. B. Migliori (Tradate, Italy)