Study on the situation and some major risk factors influencing on acute respiratory tract infections in children under 5 years

An enquiry was conducted in Thua Thien Hue provinces on 400 children of under 5 years old, their 159 subjects were diagnosed as acute pulmonary infection according to WHO criteria. In comparing with other diseases and conditions in the same studied time, the incidence of acute pulmonary infection 39.75%, surpassing other condition 47.50% of cases reach the frequency of 4-6 periods each year, 36.39% 6 periods each year. Risk factors for this diseases are neonatal body weight, premature delivery, exposure to smoke, malnutrition, early weaning