Abstract

Nineteen patients aged 18–65 years with moderate and severe exacerbations of atopic asthma were examined for respiratory viruses, Mycoplasma pneumoniae, and Chlamydophila pneumoniae. Interferon system, IL-4 and γ-IFN serum levels were also investigated. Viral infections (RS-virus, adenovirus, influenza types A (H1N1, H3N2) and B viruses, parainfluenza types 1 and 3 viruses) were diagnosed serologically or using PCR with direct detection of viral nucleic acids in 73.6 % of the patients. Diagnostic level of Mycoplasma pneumoniae antigen was found in 78.9 % of the patients, anti-Chlamydophila pneumoniae antibodies were detected in 31.6 %. Leukocyte interferon-producing function was decreased in all the patients.

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