[Meningococcal disease in the Metropolitan Region of Chile and its correlation with environmental factors].

Introduction: Meningococcal disease (MD) is a public health problem worldwide, due to its high morbidity and mortality. Most cases occur in sub-Saharan Africa, where there is a marked seasonal pattern with predominance during the dry season.

Objectives: To describe the morbidity of MD in the Metropolitan Region (MR) of Chile and explore whether there is a correlation between the number of cases with the levels of atmospheric particulate matter PM 10 and PM 2.