Chlamydia trachomatis: a major agent of respiratory infections in infants from low-income families.

Objectives: To determine the prevalence of lower respiratory tract infection (LRTI) due to Chlamydia trachomatis in newborn infants and to describe the clinical, laboratory, and radiological characteristics of the disease.

Methods: A cross-sectional study carried out over a 12-month period. All infants up to 6 months of age admitted consecutively at the Centro Pediátrico Professor Hosannah de Oliveira of the Universidade Federal da Bahia in Salvador, Brazil, and diagnosed with LRTI according to clinical and/or radiological criteria were included in the study.

[Phadiatop in the diagnosis of respiratory allergy in children: Allergy Project--PROAL].

Objectives: To evaluate the positivity of Phadiatop in children from several Brazilian pediatric allergology centers and to compare its results with the presence of serum specific IgE to inhalant and food allergens.

Patients And Method: Phadiatop and serum specific IgE levels (RAST) to inhalant and food allergens (UniCAP - Pharmacia) were measured in 457 children from several pediatric allergy centers and in a non-allergic control group (n = 62), distributed across five age groups.

Results: Phadiatop was positive in 305 atopic children (67.