Source: Annual Congress 2006 - Virus-induced respiratory tract infection
Disease area: Respiratory infections

Abstract

Aim: to determine the spectrum and carriage rate of respiratory pathogens in healthy persons (HP) of closed collectives.
Materials and methods: 317 healthy men (age 18-20) were twice examined during six months (interval 2-3 months) by virological and bacteriological methods.
Results: respiratory viruses antigens were found in 11,7% of HP. The main of carriage infective agents were adenovirus (6,9%), M.pneumoniae (6,6%) and parainfluenzae virus (2,9%). However carriage rate of adenovirus was reduced 6-fold (1,1%) during observation. Associated agents were found in 10,8% of HP and the main composition was presented by adeno- and respiratory syncytial virus.
The respiratory pathogenic bacteria were isolated in 38% of HP. S.pneumoniae was the leading agent (60%) of bacterial carriage and was stable revealed in 21,9% at double investigation. Penicillin resistance strains were detected in 15,3%. Carriage of H.influenzae was detected in 9,5%, Kl.pneumoniae – in 3,0%, S.aureus – in 14,9% but the last was decreased to 3,8% at 2-nd investigation. The later persons arrived, the more carriers were revealed. This fact may be explained by the ²mixing² factor due overcrowding and formation of ²infectious foci².
Conclusion: it was established ²epidemiological constancy² of spectrum and carriage rate of respiratory pathogens in healthy persons of closed collectives. The almost total renovation of persons – carriers was revealed. Composition of respiratory pathogens in healthy persons is potencial etiological source for community acquired pneumoniae.

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T. S. Sologub, Y. V. Rezstova, N. V. Yakovleva, S. D. Zhogolev, N. V. Zueva, P. I. Ogarkov (St. Petersburg, Russian Federation). Respiratory virus and bacterial spectrum in healthy persons of organized closed collectives. Eur Respir J 2006; 28: Suppl. 50, 961

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