EBV-mononucleosis is a widespread infectious disease, and also it is an urgent problem of the whole world. The purpose of the research was to study the clinical and laboratory features of EBV-mononucleosis in hospitalized children of different ages in modern conditions. Under the supervision were 136 children aged from 1 year to 18 years. All of the patients had typical and mainly (85%) moderate form of the disease, and 15% of them patients had a severe form of the disease. The results: more severe fever and lymphadenopathy were observed in children older than 3 years. Acute tonsillitis was present in all hospitalized children. Adenoiditis and hepatosplenomegaly were greater in the group of patients of a younger age. Hyperfermentemia was determined in more than half of patients, more often in children over 12 years old. In the hemogram leukocytosis and monocytosis were mostly noted. Atypical blood mononuclear cells were detected in 89% of patients. Patients got complex etiopathogenetic therapy.
ФГБУ «Научно-исследовательский институт гриппа» Минздрава России, 197376, г. Санкт-Петербург В работе изучена этиологическая структура гриппа и других ОРВи в Санкт-Петербурге и Ленинградской области, установлена их доля в течение 4 эпидемических сезонов. Показана сезонность некоторых респираторных вирусов и обозначены пики циркуляции респираторно-синцитиального (РС) вируса, аденовируса, вирусов парагриппа, риновируса, бокавируса, метапневмовируса и коронавируса. Прослежено взаимовлияние вирусов гриппа А и РС-вирусов, РС-вирусов и риновирусов. Выявлен высокий уровень заболеваемости аденовирусной инфекцией в организованных коллективах и РС-вирусной инфекцией у детей. К л ю ч е в ы е с л о в а: вирусы гриппа; острые респираторные вирусные инфекции; ПЦР-диагностика; эпидемический сезон. The etiological structure of influenza and other acute respiratory viral infections including their rate of incidence in St. Petersburg and Leningrad region during 4 epidemic seasons has been studied. Seasonality of some respiratory viruses was shown and peaks of circulation of RSV, adenovirus, parainfluenza viruses, rhinovirus, bocavirus, metapneumovirus and coronavirus were marked. The interference of influenza A viruses and RSV, RSV and rhinoviruses was highlighted. A high incidence of adenovirus infection in organized communities and RSV infection in children was revealed. K e y w o r d s: Influenza viruses; acute respiratory viral infections (ARVI); PCR diagnostics; epidemic season. For citation: Pisareva M.M., Eder V.A., Buzitskaya Zh.V., Musaeva T.D., Afanaseva V.S., Go A.A., Obraztsova E.A., Sukhovetskaya V.F., Komissarov A.B. Etiological structure of influenza and other ARVI in St. Petersburg during epidemic seasons Information about authors: Pisareva M.M., http://orcid.org/0000-0002-1499-9957Eder V.A., http://orcid.org/0000-0002-9970-3325 Buzitskaya Zh.V., http://orcid.org/0000-0002-8394-102X Musaeva T.D., https://orcid.org/0000-0002-3050-1936 Afanasieva V.S., http://orcid.org/0000-0002-2887-0126 Sukhovetskaya V.F., http://orcid.org/0000-0002-1566-7137 Komissarov A.B., http://orcid.org/Для корреспонденции: Писарева Мария Михайловна, канд. биол. наук, ведущий научный сотрудник лаборатории молекулярной вирусологии ФГБУ «НИИ гриппа» Минздрава России, 197376, г. Санкт-Петербург.
In this paper, we analyze the etiology of the diseases occurring during two consecutive influenza epidemic seasons in St. Petersburg, Russian Federation. The analysis is based on the results of the PCR diagnostics of the clinical samples collected from patients hospitalized in three St. Petersburg hospitals with influenza like illnesses (ILI). It was shown that the influenza virus A(H1N1)pdm09 was the dominant causative agent during the 2012-2013 epidemic season while, in the 2013-2014 season, A(H3N2) virus was predominant among adults and children. The influenza B virus activity was high in the 2012-2013 season and low in the 2013-2014 season. During both seasons, the main causative agent for the hospitalization of young children was respiratory syncytial virus (RSV), followed by rhinovirus and influenza virus. The rate of involvement of parainfluenza, adenovirus, metapneumovirus and coronavirus was low and was negligible for bocavirus. Children 0-2 and 3-6 years old formed the group of patients that was affected by acute respiratory infection agents the most. Children younger than 3 months old were the major group of the intensive care unit (ICUs) patients and only 27.5% of them were adults. RSV and rhinovirus were the leading cause of ILI among the children admitted to ICU. Among the adult patients admitted to the ICU, only influenza A(H1N1)pdm09, A(H3N2) and B viruses were detected during both influenza seasons.According to the results of the antigenic and genetic analysis, most influenza A(H1N1)pdm09 and A(H3N2) viruses circulating in St. Petersburg matched the vaccine strains recommended by the WHO for vaccine composition in the
Prophylactic efficiency and safety of anaferon (pediatric formulation) in children aging 1?month to 4 years, including sickly children, was proven. The use of the preparation in children reduced the incidence of acute respiratory infections, alleviated the course of the disease, and decreased the incidence of detection of viral antigens in nasal meatuses.
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