Social media addiction and personality dimensions among Tunisian medical students.

Purpose: Social media (SM) has become a common activity for today's young people. It is sometimes overused and potentially results in SM addiction. This study aims to assess SM addiction and its associated factors in medical students and to examine its relationship with dimensions of personality global self-esteem, and social self-esteem.

Predictive Factors for Successful Smoking Cessation in Tunisian Smokers, Sousse-Tunisia: 2015-2020.

Objective: Since 2009, the unit of smoking cessation at Sahloul University Hospital - Tunisia was founded. In this context, the objective of our study was to determine the factors associated with smoking cessation in Tunisian smokers.

Methods: It was a descriptive prospective study over five-years-period 2015-2020.

Primary breast sarcomas: A 13 case-series study treated in university hospital in central Tunisia over a 25-year period.

Aim: To retrospectively study the therapeutic modalities of primary breast sarcomas in view of the data of a local Tunisian experience.

Methods: It is a monocentric, descriptive, retrospective study including 13 cases of primary breast sarcoma treated over a period of 25 years (1995-2020) in the oncological radiotherapy department of a university hospital in Sousse, Tunisia.

Results: In our study, 13 cases of non-metastatic breast sarcomas that has been identified, divided into ten cases of phyllodes sarcomas and three cases of non-phyllodes sarcomas.

Vaccine effectiveness against COVID-19: A test negative case-control study in Tunisia, August 2021.

Background: In response to the COVID-19 pandemic, multiple vaccines to protect against COVID-19 disease have been developed rapidly. Precise estimates of vaccine effectiveness (VE) vary according to studies design, outcomes measured and circulating variants. The aim of this study was to evaluate the anti-covid-19 vaccine effectiveness in Tunisia.

[Clinical and epidemiological features of COVID-19-related deaths in Tunisia before the emergence of VOCs (March 2020-February 2021)].

Introduction: the purpose of this study was to describe the clinical and epidemiological features of COVID-19-related deaths in Tunisia notified at the ONMNE (National Observatory of New and emerging Diseases) between 2 March 2020 and 28 February 2021 and to compare COVID-19-related deaths recorded in Tunisia with the international data.

Methods: we conducted a national prospective longitudinal descriptive study of data collected from the National Surveillance System of SARS-CoV-2 infection of the ONMNE, Ministry of Health. All COVID-19-related deaths that occurred in Tunisia between March 2020 and February 2021 were included in this study.