Issue 2 - ¿Update on adverse respiratory effects of indoor air pollution¿ Part 1): Indoor air pollution and respiratory diseases: A general update and a Portuguese perspective J.C. Rufo; I. Annesi-Maesano; P. Carreiro-Martins; A. Moreira; A.C. Sousa; M.R. Pastorinho; N. Neuparth; L. Taborda-Barata;

Tuberculosis national registries and data on diagnosis delay ¿ Is there room for improvement? Bárbara Seabra; Raquel Duarte;

Decline of tuberculosis notification rate in different populations and regions in Portugal, 2010¿2017 A. Sentís; A. Prats-Uribe; V.R. Peixoto; J.A. Caylà; M.D. Gomes; S. Sousa; R. Duarte; I. Carvalho; C. Carvalho;