Extremely low vaccine effectiveness against influenza H3N2 in the elderly during the 2012/2013 flu season.
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چکیده
منابع مشابه
Interim Adjusted Estimates of Seasonal Influenza Vaccine Effectiveness — United States, February 2013
Early influenza activity during the 2012-13 season enabled estimation of the unadjusted effectiveness of the seasonal influenza vaccine. This report presents updated adjusted estimates based on 2,697 children and adults enrolled in the U.S. Influenza Vaccine Effectiveness (Flu VE) Network during December 3, 2012-January 19, 2013. During this period, overall vaccine effectiveness (VE) (adjusted ...
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In Denmark, the 2012/13 influenza season has been dominated by influenza A(H3N2). We estimated the vaccine effectiveness (VE) of the trivalent influenza vaccine by linking national registers in a test-negative case-control study of patients tested for influenza aged ≥65 years. The adjusted VE against laboratory-confirmed influenza A and B was -11% (95% CI: -41 to 14) and 69% (95% CI: 26 to 87),...
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BACKGROUND In Spain, the influenza vaccine effectiveness (VE) was estimated in the last three seasons using the observational study cycEVA conducted in the frame of the existing Spanish Influenza Sentinel Surveillance System. The objective of the study was to estimate influenza vaccine effectiveness (VE) against medically attended, laboratory-confirmed influenza-like illness (ILI) among the tar...
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In the United States, annual vaccination against seasonal influenza is recommended for all persons aged ≥6 months (1). During each influenza season since 2004-05, CDC has estimated the effectiveness of seasonal influenza vaccine to prevent laboratory-confirmed influenza associated with medically attended acute respiratory illness (ARI). This report uses data from 4,562 children and adults enrol...
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BACKGROUND Recent studies suggest that influenza vaccination in the previous season may influence the effectiveness of current-season vaccination, but this has not been assessed in a single population over multiple years. METHODS Patients presenting with acute respiratory illness were prospectively enrolled during the 2004-2005 through 2012-2013 influenza seasons. Respiratory swabs were teste...
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ورودعنوان ژورنال:
- Journal of infection in developing countries
دوره 7 3 شماره
صفحات -
تاریخ انتشار 2013