Comparison of Influenza Outbreaks in the Republic of Kazakhstan and Russia Induced by 2009 Yearly New Variant of A（H1N1） Influenza Virus

• Published in: 中国病毒学：英文版 Vol. 26; no. 5; pp. 306 - 314
• Main Author: Karpova L S Popovtseva N M Stolyarova T P Stolyarov K A Mamadaliyev S M Khairullin B M Sandybayev N T Kydyrbayev Zh K Orynbayev M B Ospanov K S Baiserkin B S Boibosinov E U
• Format: Journal Article
• Language: English
• Published: 2011
• Subjects: 俄罗斯; 哈萨克斯坦共和国; 新变种; 流感病毒; 流行病学; 疫情; 病毒感染
• ISSN: 1674-0769; 1995-820X

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.