Background: Allergic rhinitis is one of the most common forms of allergic disorders affecting children. The prevalence rate of allergic rhinitis differs among countries and even among regions within the same country. Objectives: To determine the prevalence of childhood allergic rhinitis and the presence and significance of eosinophilia in nasal secretions. Method: 4584 children aged 11-15 years...

Corneal thickness (CT) maps of the central (2-mm diameter), para-central (2 to 5-mm diameter), peripheral (5 to 6-mm diameter), and minimum (5-mm diameter) cornea were measured in normal Chinese school children aged 7 to 15 years old using Fourier-domain optical coherence tomography. Multiple regression analyses were performed to explore the effect of associated factors [age, gender, refraction...

An association of Chlamydia pneumoniae with atherosclerosis of coronary and carotid arteries and aorta has been found by seroepidemiology and by demonstration of the organism in atheromata. Age-matched control tissue from persons without atherosclerosis was usually not available. We studied autopsy tissue from young persons, many with no atherosclerosis, to determine whether C. pneumoniae is pr...

To know the impact of the Guillain Barré syndrome (GBS) in the population less than 15 years old, after the eradication of poliomyelitis. Data bank from the program of epidemiological surveillance of acute flaccid palsies (AFP) from the Fundação Nacional de Saúde were analyzed between 1990-1996. From 3619 notifications of AFP there were 1678 GBS. GBS yearly incidence rates is 0.39-0.63 cases/10...

This original study describes the intra-urban distribution of cases of leprosy in residents under 15 years old in Salvador, Bahia, Brazil; the study also identifies the environment in which Mycobacterium leprae is being transmitted. The cases were distributed by operational classification, clinical forms, type of contact and the addresses were geo-referenced by neighborhood. Between 2007 and 20...