In this issue, we present a preliminary note on how the failure of international cooperation brought back the threat of measles in Mexico, among other topics such as syphilis in Guatemala, TB in Colombia, and violence in the Amazon.

The production of a venue of quality field epidemiologic research continues.

We are pleased to publish the peer-reviewed scientific abstracts of the 12th TEPHINET Regional Scientific Conference of the Americas that replied to our call to publish them in this supplement.

Inaugural Issue/Número inaugural/Edição inaugural/Numéro inaugural