EPIDEMIOLOGIC FEATURES OF NOROVIRUS INFECTION OUTBREAK IN THE REPUBLIC OF NORTH OSSETIA-ALANIA

O. V. Maletskaya; Малецкая О. В.; A. G. Tibilov; Тибилов А. Г.; D. A. Prislegina; Прислегина Д. А.; G. K. Gazieva; Газиева Г. К.; N. I. Otaraeva; Отараева Н. И.; A. S. Volynkina; Волынкина А. С.; V. N. Saveliev; Савельев В. Н.; G. I. Lyamkin; Лямкин Г. И.; A. A. Zaitsev; Зайцев А. А.; A. N. Kulichenko; Куличенко А. Н.

doi:10.36233/0372-9311-2016-2-69-74

EPIDEMIOLOGIC FEATURES OF NOROVIRUS INFECTION OUTBREAK IN THE REPUBLIC OF NORTH OSSETIA-ALANIA

Authors: Maletskaya O.V.¹, Tibilov A.G.², Prislegina D.A.¹, Gazieva G.K.², Otaraeva N.I.², Volynkina A.S.¹, Saveliev V.N.¹, Lyamkin G.I.¹, Zaitsev A.A.¹, Kulichenko A.N.¹
Affiliations:
1. Stavropol Institute for Plague Control
2. Administration of Federal Service for Surveillance on Consumer Rights’ Protection and Human Well-being for the Republic of North Ossetia-Alania
Issue: Vol 93, No 2 (2016)
Pages: 69-74
Section: SHORT COMMUNICATIONS
URL: https://microbiol.crie.ru/jour/article/view/33
DOI: https://doi.org/10.36233/0372-9311-2016-2-69-74
ID: 33

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Abstract

Aim. Analysis of epidemiologic features of a norovirus outbreak in Alagir city of the Republic of North Ossetia-Alania and effectiveness of measures of its liquidation. Materials and methods. Data from maps-schemes of water supply system of Alagir city and statistical documentation of Centre of Hygiene and Epidemiology in the Republic of North Ossetia-Alania were used in the study. Indication of norovirus in clinical material and water samples was carried out by polymerase chain reaction method. Results. Etiological agent of outbreak disease was established - genotype II norovirus. Realization of fecal-oral mechanisms of water transmission pathway of the causative agent of norovirus infection was detected. Conditions facilitating emergence and development of the indicated outbreak were determined - non-satisfactory sanitary-technical condition of water supply system of the city. Conclusion. The studied water outbreak of norovirus infection was caused by GII.17 genotype virus, that currently gradually displaces GII.IV genotype, and was characterized by an intensive start, involvement of all population age groups into the epidemic process (with primary infection of adults), low family focality, predominance of average severity disease forms in the clinical presentation. The counter-epidemic measures carried out ensured rapid localization and liquidation of the norovirus infection outbreak.

Keywords

norovirus infection, epidemic outbreak, water pathway of causative agent transmission, counter-epidemic measures

References

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EPIDEMIOLOGIC FEATURES OF NOROVIRUS INFECTION OUTBREAK IN THE REPUBLIC OF NORTH OSSETIA-ALANIA

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Abstract

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About the authors

References

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