Introduction: the recurrent respiratory infection appearing at early ages have a high morbidity and there are many risk factors contributing to its development. Objective: to identify the immunoepidemiologic risk factors contributing to appearance of recurrent respiratory infections. Methods: a retrospective, longitudinal, descriptive and observational study was conducted in a group of children from Ciudad de La Habana y La Habana admitted due to this type of infections and came to immunology consultation from January, 2005 to December, 2007 of the "Angel Arturo Aballí" Maternal and Children Hospital. Results: the preschool age, male sex, non-effective breastfeeding, allergy, low birth weight, environmental tobacco smoke, assistance to nurseries and overcrowding were the more frequent risk factors. The more frequent immune response disorders were the cellular immune defect, the humoral immune defect and the phagocyte disorder. Conclusions: the immunoepidemiologic risk factors present in the study sample were: age between 1 to 5 years with predominance of male sex, non-effective breastfeeding, allergy, low birth weight, environmental tobacco smoke, overcrowding and assistance to nurseries. All these are accompanied of immune response defects with predominance of cellular branch.
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