[Tuberculosis in Prato (Tuscany Region, Central Italy) in the period 2007-2014].

Objectives: a description of the epidemiology of tuberculosis in the province of Prato (Tuscany Region, Central Italy) during the period 2007-2014 and verify the latency time between the onset of symptoms and the start of therapy.

Design: descriptive, observational study.

Setting And Participants: tuberculosis cases were identified for the period 2007-2014 through an analysis of the notification files available at the Hygiene and Public Health Service of the Local Health Unit of Prato and through the Information System on Infectious Diseases database.

Assessment of the effectiveness of the universal varicella vaccination program in Toscana (Italy), in the period 2010-2013.

Objective: To assess the effectiveness of the varicella vaccination program in Toscana after one dose of vaccine, in the birth cohorts 2008-2011.

Design: Varicella vaccine effectiveness (VE) was calculated using the "screening method", based on vaccine coverage (VC) at 24 months and proportion of vaccinated subjects among varicella notified cases (PVC), verified through the Local Health Units' (LHUs) immunization registries. Breakthrough varicella (BV) was defined as a case of varicella occurring in a child vaccinated ≥42 days before the date of disease onset.