tailieunhanh - Báo cáo hóa học: " Effect of influenza and pneumococcal vaccines in elderly persons in years of low influenza activity"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Effect of influenza and pneumococcal vaccines in elderly persons in years of low influenza activity | Virology Journal BioMed Central Research Effect of influenza and pneumococcal vaccines in elderly persons in years of low influenza activity Brith Christenson1 Karlis Pauksen2 and Staffan PE Sylvan 1 Open Access Address Department of Communicable Disease Control and prevention Uppsala County Counci Dag Hammarskjolds vag 17 SE-751-85 Uppsala Sweden and 2Department of Medical sciences Infectious Diseases Uppsala University Hospital Uppsala Sweden Email Brith Christenson - Karlis Pauksen - Staffan PE Sylvan - Corresponding author Published 28 April 2008 Received 14 February 2008 Accepted 28 April 2008 Virology journal 2008 5 52 doi 1743-422X-5-52 This article is available from http content 5 1 52 2008 Christenson et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The present prospective study was conducted from 2003-2005 among all individuals 65 years and older in Uppsala County a region with 300 000 inhabitants situated close to the Stockholm urban area. The objective of this study was to assess the preventive effect of influenza and pneumococcal vaccination in reducing hospitalisation and length of hospital stay LOHS even during periods of low influenza activity. The specificity of the apparent vaccine associations were evaluated in relation to the influenza seasons. Results In 2003 the total study population was 41 059 of which 12 907 31 received influenza vaccine of these 4 447 11 were administered the pneumococcal vaccine. In 2004 14 799 34 individuals received the influenza vaccine and 8 843 21 the pneumococcal

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