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Comparison of influenza outbreaks in the Republic of Kazakhstan and Russia induced by 2009 yearly new variant of A(H1N1) influenza virus |
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| Authors: | L S Karpova N M Popovtseva T P Stolyarova K A Stolyarov S M Mamadaliyev B M Khairullin N T Sandybayev Zh K Kydyrbayev M B Orynbayev K S Ospanov B S Baiserkin E U Boibosinov |
| Institution: | 1. FSBI Research Institute of Influenza(RII),Ministry of Health and Social Development of Russia,Saint-Petersburg,Popova street,15/17,197376,Russian Federation 2. RGE Research Institute for Biological Safety Problems(RIBSP)Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan,Gvardeiskiy,Kordaiskiy rayon,Zhambulskaya oblast 080409,Republic of Kazakhstan 3. Scientific-Practical Center of Sanitary and Epidemiological Expertise and Monitoring Epidemiology Committee of state sanitary and epidemic supervision of the Ministry of Health Care of the Republic of Kazakhstan(MFIC RK),Almaty,Auezov street 84,050008,Republic of Kazakhstan |
| Abstract: | The aim of the work is the comparison of the epidemiology of influenza and acute respiratory virus infections(ARVI)in the Republic of Kazakhstan with the corresponding influenza epidemic in Russia induced by influenza pandemic virus A/California/07/2009 in 2009. Data on influenza and ARVI from the Republic of Kazakhstan and Federal Center of influenza was collected and investigated over the course of several weeks from hospitalized patients with the same diagnosis among all population and in age groups on 16 territories of Kazakhstan and in 49 major cities of Russia. The epidemic in Kazakhstan resembled the Russian epidemic in terms of its abnormally early beginning,expression of monoaetiology,the spread of the epidemic into all territories and start of the epidemics among adult population. High percentage of hospitalized people and lethal outcome were registered in this epidemic. Similarity of epidemic process character in corresponding border-line territories of both countries was found out. |
| Keywords: | Epidemic Influenza outbreak Acute respiratory viral infection Morbidity |
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