[Severe pneumococcal infections of adults. 100 cases collected in three years (Claude Bernard Hospital, Paris) (author's transl)].

After retrospective in intensive care unit of 100 severe cases of pneumococcal infection in three years, the authors analyse the circumstances of onset (occurring in autumn of winter), the general status (without evident high risk population), the symptomatology (84% of meningitis, 30% of pneumonia), the origin of infection (essentialy otitis media in meningitis). The case fatality rate is 39%. Frequency of multiple visceral localisations and of bacteremias is emphasized.