Contribution to the epidemiological study of bronchiolitis in infants

Abstract

This paper studies several epidemiological aspects of bronchioli­tis in 155 hospitalized infants during a period of time from January 1984 until June 1985. There are two epidemic incidence peaks during February and March each year. This disease was more frequent in infants less that 6 month of age with predominance in males. There was not difference with a control group concerning the number of si­ blings or maternal alimentation but the hygienic characteristics of the house and urban procedence were important factors. The paper analyse possible risk factors during fetal and neonatal age.