Primary immunodeficiencies : Report of 33 Pediatric Tunisian cases.

Background Primary immunodeficiencies (PID) are a group of heterogeneous and relatively rare diseases. Aim to determine the clinical characteristics, outcome and genetic data of primary immunodeficiencies in pediatrics patients. Methods A retrospective, descriptive and multicentered study, enrolling 33 children presenting a PID in Tunis, during a period of 22 years (1991-2012).

Neonatal meningitis by Neisseria meningitidis B.

Background: Neisseria meningitidis is one of the major causes of meningitis in children and adolescents, but it is uncommonly found in neonatal meningitis.

Aim: to report a rare case of meningitis by Neisseria meningitides B.

Case Report: We report the case of neonatal meningitis in a 20-day-old girl without shock or purpura.